| | SS | Designated for Assignment (The Cincinnati Reds designated INF Kevin Newman for assignment.) |
| | RF | Released (The Cincinnati Reds released OF Hunter Renfroe.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed RHP Graham Ashcraft on the 60-day injured list.) |
| | CF | Placed on 10-Day IL (The Cincinnati Reds placed OF Harrison Bader on the 10-day injured list.) |
| | LF | Activated (The Cincinnati Reds activated OF Stuart Fairchild from the 7-day injured list.) |
| | RF | Designated for Assignment (The Cincinnati Reds designated OF Hunter Renfroe for assignment.) |
| | P | Released (The Cincinnati Reds released LHP Chasen Shreve.) |
| | P | Activated (The Cincinnati Reds activated LHP Alex Young from the 7-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Connor Phillips from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Carson Spiers to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Connor Phillips to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Carson Spiers from the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Ben Lively from the 10-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Tejay Antone on the 15-day injured list.) |
| | P | Designated for Assignment (The Cincinnati Reds designated LHP Chasen Shreve for assignment.) |
| | P | Activated (The Cincinnati Reds activated LHP Brandon Williamson from the 7-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Kevin Herget outright to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Hunter Greene from the 10-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Carson Spiers to the minors.) |
| | 2B | Activated (The Cincinnati Reds activated INF Jonathan India from the 10-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Lyon Richardson to the minors.) |
| | 2B | Sent to Minors (The Cincinnati Reds optioned INF Alejo Lopez to the minors.) |
| | 1B | Activated (The Cincinnati Reds activated INF Joey Votto from the 10-day injured list.) |
| | P | Placed on 7-Day IL (The Cincinnati Reds placed LHP Alex Young on the 7-day injured list.) |
| | 2B | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Alejo Lopez from the minors.) |
| | LF | Placed on 7-Day IL (The Cincinnati Reds placed OF Stuart Fairchild on the 7-day injured list.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Kevin Herget for assignment.) |
| | P | Activated (The Cincinnati Reds activated RHP Fernando Cruz from the 10-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Michael Mariot outright to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Casey Legumina to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Lyon Richardson from the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Danis Correa to a minor league contract.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Kevin Herget.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Michael Mariot for assignment.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Brett Kennedy to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Casey Legumina from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds returned RHP Lyon Richardson to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Michael Mariot.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed LHP Brandon Williamson on the 15-day injured list.) |
| | 2B | Sent to Minors (The Cincinnati Reds sent INF Alejo Lopez outright to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of LHP Chasen Shreve.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Connor Phillips from the minors as a substitute player.) |
| | P | Placed on 7-Day IL (The Cincinnati Reds placed LHP Brandon Williamson on the 7-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Graham Ashcraft on the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Lyon Richardson from the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Tejay Antone from the 60-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Fernando Cruz on the 15-day injured list retroactive to Aug. 31.) |
| | CF | Sent to Minors (The Cincinnati Reds optioned OF TJ Hopkins to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Tony Santillan outright to the minors.) |
| | RF | Activated (The Cincinnati Reds activated OF Jake Fraley from the 10-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Ben Lively on the 15-day injured list retroactive to Aug. 31.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Alan Busenitz for assignment. ) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Carson Spiers from the minors.) |
| | CF | Activated (The Cincinnati Reds activated OF Harrison Bader.) |
| | RF | Activated (The Cincinnati Reds activated OF Hunter Renfroe.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Brett Kennedy from the minors.) |
| | CF | Designated for Assignment (The Cincinnati Reds designated OF Michael Siani for assignment.) |
| | P | Placed on 10-Day IL (The Cincinnati Reds placed RHP Hunter Greene on the 10-day injured list.) |
| | 2B | Designated for Assignment (The Cincinnati Reds designated INF Alejo Lopez for assignment.) |
| | CF | Claimed on Unconditional Release Waivers (The Cincinnati Reds claimed OF Harrison Bader off waivers from the New York Yankees ) |
| | RF | Claimed on Unconditional Release Waivers (The Cincinnati Reds claimed OF Hunter Renfroe off waivers from the Los Angeles Angels.) |
| | RF | Released (The Cincinnati Reds released OF Trey Mancini.) |
| | CF | Sent to Minors (The Cincinnati Reds optioned OF Michael Siani to the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Tony Santillan for assignment.) |
| | 2B | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Alejo Lopez.) |
| | 2B | Placed on 10-Day IL (The Cincinnati Reds placed INF Matt McLain on the 10-day injured list with a right oblique strain. ) |
| | LF | Activated (The Cincinnati Reds activated OF Stuart Fairchild from the 7-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Brett Kennedy to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Daniel Duarte from the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Ben Lively from the 15-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed LHP Alex Young on the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds returned RHP Lyon Richardson to the minors.) |
| | 1B | Placed on 10-Day IL (The Cincinnati Reds placed INF Joey Votto on the 10-day injured list with left shoulder discomfort. ) |
| | 3B | Recalled From Minors Rehab (The Cincinnati Reds recalled INF Nick Senzel from the minors.) |
| | RF | Sent to Minors (The Cincinnati Reds sent OF Henry Ramos outright to the minors.) |
| | RF | Signed (The Cincinnati Reds signed OF Trey Mancini to a minor league contract.) |
| | RF | Signed (The Cincinnati Reds signed OF Trey Mancini to a minor league contract.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Lyon Richardson from the minors.) |
| | LF | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of OF Nick Martini.) |
| | CF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Michael Siani from the minors.) |
| | RF | Designated for Assignment (The Cincinnati Reds designated OF Henry Ramos for assignment.) |
| | LF | Placed on 7-Day IL (The Cincinnati Reds placed OF Stuart Fairchild on the 7-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Alan Busenitz to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Hunter Greene from the 60-day injured list.) |
| | SS | Placed on 10-Day IL (The Cincinnati Reds placed INF Kevin Newman on the 10-day injured list.) |
| | SS | Recalled From Minors Rehab (The Cincinnati Reds recalled INF Noelvi Marte from the minors.) |
| | P | Released (The Cincinnati Reds released RHP Luke Weaver.) |
| | P | Signed (The Cincinnati Reds signed LHP Chasen Shreve to a minor league contract. ) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Alan Busenitz from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Luke Weaver for assignment.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Daniel Duarte to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Eduardo Salazar outright to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Daniel Duarte from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Eduardo Salazar for assignment.) |
| | 3B | Sent to Minors (The Cincinnati Reds optioned INF Nick Senzel to the minors.) |
| | RF | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of OF Henry Ramos from the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Casey Legumina from the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Lyon Richardson to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Casey Legumina to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Brett Kennedy from the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Lyon Richardson from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Daniel Duarte to the minors.) |
| | RF | Placed on 10-Day IL (The Cincinnati Reds placed OF Jake Fraley on the 10-day injured list.) |
| | CF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF TJ Hopkins from the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Daniel Duarte from the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Ben Lively on the 15-day injured list.) |
| | P | Activated (The Cincinnati Reds activated LHP Sam Moll.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Daniel Duarte to the minors.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds transferred RHP Hunter Greene to the 60-day injured list.) |
| | P | Traded (The Cincinnati Reds traded RHP Joe Boyle to the Oakland Athletics.) To |
| | P | Traded (The Oakland Athletics traded LHP Sam Moll to the Cincinnati Reds.) From |
| | 2B | Placed on 10-Day IL (The Cincinnati Reds placed INF Jonathan India on the 10-day injured list.) |
| | LF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Stuart Fairchild from the minors.) |
| | SS | Activated (The Cincinnati Reds activated INF Kevin Newman from the 10-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Daniel Duarte from the minors.) |
| | C | Placed on 10-Day IL (The Cincinnati Reds placed C Curt Casali on the 10-day injured list with a left foot contusion retroactive to Jul. 21.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Levi Stoudt to the minors.) |
| | P | Signed (The Cincinnati Reds signed draft pick RHP Cole Schoenwetter.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Tony Santillan to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Levi Stoudt from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Daniel Duarte to the minors.) |
| | P | Signed (The Cincinnati Reds signed draft pick LHP Hunter Hollan.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Tony Santillan from the minors.) |
| | P | Signed (The Cincinnati Reds signed draft pick RHP Ty Floyd.) |
| | SS | Signed (The Cincinnati Reds signed draft pick INF Dominic Pitelli.) |
| | P | Signed (The Cincinnati Reds signed draft pick LHP Graham Osman.) |
| | CF | Signed (The Cincinnati Reds signed draft pick OF Ethan O'Donnell.) |
| | SS | Signed (The Cincinnati Reds signed draft pick INF Sammy Stafura.) |
| | 1B | Signed (The Cincinnati Reds signed draft pick INF Carter Graham.) |
| | 3B | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Christian Encarnacion-Strand.) |
| | P | Signed (The Cincinnati Reds signed draft pick LHP Logan Van Treeck.) |
| | 1B | Signed (The Cincinnati Reds signed draft pick INF Jack Moss.) |
| | C | Signed (The Cincinnati Reds signed draft pick C Connor Burns.) |
| | SS | Placed on 10-Day IL (The Cincinnati Reds placed INF Kevin Newman on the 10-day injured list.) |
| | P | Signed (The Cincinnati Reds signed draft pick RHP Rhett Lowder.) |
| | P | Released (The Cincinnati Reds released RHP Frank German.) |
| | P | Drafted (The Cincinnati Reds selected LHP Logan Van Treeck in the 9th round of the 2023 MLB draft.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Michael Mariot outright to the minors.) |
| | P | Drafted (The Cincinnati Reds selected LHP Graham Osman in the 10th round of the 2023 MLB draft.) |
| | P | Drafted (The Cincinnati Reds drafted RHP Cole Schoenwetter in the fourth round of the MLB Draft. ) |
| | 1B | Drafted (The Cincinnati Reds drafted INF Carter Graham in the eighth round of the MLB Draft. ) |
| | 1B | Drafted (The Cincinnati Reds selected INF Jack Moss in the 11th round of the 2023 MLB draft.) |
| | RF | Sent to Minors (The Cincinnati Reds sent OF Henry Ramos outright to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Ricky Karcher outright to the minors.) |
| | SS | Drafted (The Cincinnati Reds selected INF Dominic Pitelli in the seventh round of the MLB Draft.) |
| | C | Drafted (The Cincinnati Reds drafted C Connor Burns in the fifth round of the MLB Draft.) |
| | P | Drafted (The Cincinnati Reds drafted LHP Hunter Hollan in the third round of the MLB Draft. ) |
| | CF | Drafted (The Cincinnati Reds selected OF Ethan O'Donnell in the sixth round of the MLB Draft.) |
| | P | Drafted (The Cincinnati Reds selected RHP Rhett Lowder in the first round of the MLB Draft.) |
| | P | Drafted (The Cincinnati Reds selected RHP Ty Floyd in the first round of the MLB Draft.) |
| | P | Drafted (The Cincinnati Reds selected RHP Rhett Lowder in the first round of the MLB Draft.) |
| | P | Activated (The Cincinnati Reds activated RHP Ben Lively from the 15-day injured list.) |
| | SS | Drafted (The Cincinnati Reds selected INF Sammy Stafura in the second round of the MLB Draft.) |
| | P | Drafted (The Cincinnati Reds selected RHP Ty Floyd in the first round of the MLB Draft.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Michael Mariot for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Michael Mariot from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Tony Santillan to the minors.) |
| | RF | Designated for Assignment (The Cincinnati Reds designated OF Henry Ramos for assignment.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Brett Kennedy to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Tony Santillan from the 60-day injured list.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Ricky Karcher for assignment.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Alec Mills outright to the minors.) |
| | LF | Sent to Minors (The Cincinnati Reds optioned OF Stuart Fairchild to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Brett Kennedy.) |
| | LF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Stuart Fairchild from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Alec Mills for assignment.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Eduardo Salazar to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Derek Law from the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Jake Wong outright to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Silvino Bracho outright to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Randy Wynne outright to the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Jake Wong for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Alec Mills from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Levi Stoudt to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Jake Wong from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Randy Wynne for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Eduardo Salazar from the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Levi Stoudt from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Silvino Bracho for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Randy Wynne.) |
| | P | Activated (The Cincinnati Reds activated RHP Graham Ashcraft from the 15-day injured list. ) |
| | | Released (The Cincinnati Reds released RHP Kyle Glogoski.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Ben Lively on the 15-day injured list with a right pectoral muscle strain retroactive to Jun. 21.) |
| | P | Released (The Cincinnati Reds released RHP Tayron Guerrero.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Alan Busenitz to the minors.) |
| | RF | Released (The Cincinnati Reds released OF Wil Myers.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Kevin Herget outright to the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Casey Legumina on the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Alan Busenitz from the minors.) |
| | LF | Sent to Minors (The Cincinnati Reds optioned OF Stuart Fairchild to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Silvino Bracho.) |
| | RF | Designated for Assignment (The Cincinnati Reds activated OF Wil Meyers from the 10-day injured list and designated him for assignment.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Kevin Herget for assignment. ) |
| | 1B | Activated (The Cincinnati Reds activated INF Joey Votto from the 60-day injured list.) |
| | RF | Activated (The Cincinnati Reds activated OF Jake Fraley from the 10-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Hunter Greene on the 15-day injured list.) |
| | CF | Sent to Minors (The Cincinnati Reds optioned OF TJ Hopkins to the minors.) |
| | P | Traded (The Cincinnati Reds traded RHP Joel Kuhnel to the Houston Astros.) To |
| | SS | Sent to Minors (The Cincinnati Reds optioned INF Jose Barrero to the minors.) |
| | 3B | Activated (The Cincinnati Reds activated INF Nick Senzel from the 10-day injured list.) |
| | | Retired (OF Deivid Alcantara retired from Major League Baseball.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Ricky Karcher to the minors.) |
| | RF | Activated (The Cincinnati Reds activated OF Henry Ramos from the 10-day injured list.) |
| | RF | Sent to Minors (The Cincinnati Reds optioned OF Henry Ramos to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Daniel Duarte from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds RHP Joel Kuhnel was designated for assignment.) |
| | P | Activated (The Cincinnati Reds activated RHP Casey Legumina from the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Kevin Herget to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Kevin Herget from the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Michael Mariot to a minor league contract.) |
| | RF | Placed on 10-Day IL (The Cincinnati Reds placed OF Jake Fraley on the 10-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Joel Kuhnel to the minors.) |
| | CF | Activated (The Cincinnati Reds activated OF TJ Friedl from the 10-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Ricky Karcher from the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Graham Ashcraft on the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Joel Kuhnel from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Eduardo Salazar to the minors.) |
| | 3B | Placed on 10-Day IL (The Cincinnati Reds placed INF Nick Senzel on the 10-day injured list.) |
| | SS | Recalled From Minors Rehab (The Cincinnati Reds recalled INF Elly De La Cruz from the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds RHP Frank German was designated for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of LHP Andrew Abbott from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Kevin Herget to the minors.) |
| | CF | Placed on 10-Day IL (The Cincinnati Reds placed OF TJ Friedl on the 10-day injured list.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds transferred LHP Nick Lodolo to the 60-day injured list.) |
| | CF | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of OF TJ Hopkins from the minors.) |
| | | Released (The Cincinnati Reds released INF Christopher Consoro.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Silvino Bracho outright to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Alan Busenitz to the minors.) |
| | RF | Placed on 10-Day IL (The Cincinnati Reds placed OF Wil Myers on the 10-day injured list.) |
| | P | Activated (The Cincinnati Reds activated RHP Fernando Cruz from the 15-day injured list.) |
| | RF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Will Benson from the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Shea Spitzbart to a minor league contract. ) |
| | P | Signed (The Cincinnati Reds signed RHP Shea Spitzbart to a minor league contract. ) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Silvino Bracho for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected RHP Eduardo Salazar from the minors.) |
| | RF | Sent to Minors (The Cincinnati Reds optioned OF Will Benson to the minors.) |
| | CF | Activated (The Cincinnati Reds activated OF TJ Friedl from the 10-day injured list.) |
| | RF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Will Benson from the minors.) |
| | RF | Placed on 10-Day IL (The Cincinnati Reds placed OF Henry Ramos on the 10-day injured list.) |
| | P | Signed (The Cincinnati Reds signed RHP Teddy Stankiewicz to a minor league contract.) |
| | P | Signed (The Cincinnati Reds signed RHP Ryan Meisinger to a minor league contract.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Alan Busenitz from the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Ryan Meisinger to a minor league contract.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Derek Law on the 15-day injured list with a right elbow sprain retroactive to May 17. ) |
| | P | Signed (The Cincinnati Reds signed RHP Alec Mills.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled LHP Brandon Williamson from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Alan Busenitz to the minors.) |
| | RF | Released (The Cincinnati Reds released OF Brian Rey.) |
| | 1B | Placed on 60-Day IL (The Cincinnati Reds placed INF Joey Votto on the 60-day injured list.) |
| | CF | Placed on 10-Day IL (The Cincinnati Reds placed OF TJ Friedl on the 10-day injured list.) |
| | 2B | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Matt McLain.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed RHP Connor Overton on the 60-day injured list.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed LHP Reiver Sanmartin on the 60-day injured list.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed LHP Nick Lodolo on the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Levi Stoudt to the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Casey Legumina on the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Alan Busenitz.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Kevin Herget from the minors.) |
| | P | Released (The Cincinnati Reds released RHP Luis Cessa.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Silvino Bracho.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Kevin Herget to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Levi Stoudt from the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Brett Kennedy to a minor league contract.) |
| | P | Signed (The Cincinnati Reds signed RHP Brett Kennedy to a minor league contract.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Kevin Herget from the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Ben Lively from the minors.) |
| | SS | Sent to Minors (INF Matt Reynolds cleared waivers and has been sent outright to the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed LHP Reiver Sanmartin on the 15-day injured list.) |
| | P | Designated for Assignment (The Cincinnati Reds designated RHP Luis Cessa for assignment.) |
| | P | Claimed on Unconditional Release Waivers (The Cincinnati Reds claimed RHP Frank German off waivers from the Chicago White Sox. ) |
| | RF | Activated (The Cincinnati Reds activated OF Wil Myers from the 10-day injured list.) |
| | SS | Designated for Assignment (The Cincinnati Reds designated INF Matt Reynolds for assignment.) |
| | P | Traded (The Cincinnati Reds traded RHP Chase Anderson to the Tampa Bay Rays.) To |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Fernando Cruz on the 15-day injured list.) |
| | P | Activated (The Cincinnati Reds activated RHP Graham Ashcraft from the bereavement list.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds transferred RHP Tony Santillan from the 15-day injured list to the 60-day injured list.) |
| | SS | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Matt Reynolds from the minors.) |
| | P | Placed on Bereavement/Family Medical Emergency List (The Cincinnati Reds placed RHP Graham Ashcraft on the bereavement list.) |
| | RF | Placed on 10-Day IL (The Cincinnati Reds placed OF Wil Myers on the 10-day injured list.) |
| | 1B | Sent to Minors (The Cincinnati Reds sent INF Jason Vosler outright to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Casey Legumina from the minors.) |
| | 1B | Designated for Assignment (The Cincinnati Reds designated INF Jason Vosler for assignment.) |
| | RF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Henry Ramos from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Levi Stoudt to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Luke Weaver from the 15-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Levi Stoudt from the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Casey Legumina to the minors.) |
| | P | Activated (The Cincinnati Reds activated RHP Lucas Sims from the 15-day injured list.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Kevin Herget to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds recalled RHP Casey Legumina from the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Connor Overton on the 15-day injured list.) |
| | RF | Sent to Minors (The Cincinnati Reds optioned OF Will Benson to the minors.) |
| | 3B | Activated (The Cincinnati Reds activated OF Nick Senzel from the 10-day injured list.) |
| | P | Traded (The Cincinnati Reds traded LHP Bennett Sousa to the Milwaukee Brewers.) To |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Joel Kuhnel to the minors.) |
| | P | Designated for Assignment (The Cincinnati Reds designated LHP Bennett Sousa for assignment.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Kevin Herget from the minors.) |
| | LF | Traded (The Cincinnati Reds traded OF Nick Solak to the Seattle Mariners.) To |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Tony Santillan on the 15-day injured list.) |
| | 3B | Placed on 10-Day IL (The Cincinnati Reds placed OF Nick Senzel on the 10-day injured list.) |
| | LF | Designated for Assignment (The Cincinnati Reds designated OF Nick Solak for assignment.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed RHP Justin Dunn on the 60-day injured list.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Derek Law.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of LHP Alex Young.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed RHP Tejay Antone on the 60-day injured list.) |
| | LF | Recalled From Minors Rehab (The Cincinnati Reds recalled OF Stuart Fairchild from the minors.) |
| | 1B | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of INF Jason Vosler.) |
| | 1B | Placed on 10-Day IL (The Cincinnati Reds placed INF Joey Votto on the 10-day injured list.) |
| | RF | Sent to Minors (The Cincinnati Reds reassigned OF Henry Ramos to minor league camp.) |
| | P | Sent to Minors (The Cincinnati Reds sent LHP Bennett Sousa to the minors.) |
| | P | Traded (The Cincinnati Reds traded LHP Steve Hajjar to the Cleveland Guardians.) To |
| | P | Sent to Minors (The Cincinnati Reds optioned LHP Brandon Williamson to the minors.) |
| | SS | Sent to Minors (The Cincinnati Reds sent INF Matt Reynolds to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Chase Anderson to the minors.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Lucas Sims on the 15-day injured list due to back injury.) |
| | P | Placed on 15-Day IL (The Cincinnati Reds placed RHP Luke Weaver on the 15-day injured list due to forearm injury.) |
| | 2B | Sent to Minors (The Cincinnati Reds sent INF Alejo Lopez to the minors.) |
| | LF | Sent to Minors (The Cincinnati Reds optioned OF Stuart Fairchild to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Silvino Bracho to the minors.) |
| | 2B | Sent to Minors (The Cincinnati Reds assigned INF Richie Martin to minor league camp.) |
| | P | Sent to Minors (The Cincinnati Reds assigned RHP Tayron Guerrero to minor league camp.) |
| | P | Sent to Minors (The Cincinnati Reds assigned RHP Daniel Duarte to minor league camp.) |
| | P | Sent to Minors (The Cincinnati Reds assigned RHP Kevin Herget to minor league camp.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Ricky Karcher to the minors.) |
| | 2B | Sent to Minors (The Cincinnati Reds sent INF Matt McLain to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Casey Legumina to the minors.) |
| | SS | Sent to Minors (The Cincinnati Reds sent INF Elly De La Cruz to the minors.) |
| | 3B | Sent to Minors (The Cincinnati Reds sent INF Christian Encarnacion-Strand to the minors.) |
| | CF | Sent to Minors (The Cincinnati Reds pptioned OF Michael Siani to the minors.) |
| | SS | Sent to Minors (The Cincinnati Reds optioned INF Noelvi Marte to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Jared Solomon to the minors.) |
| | C | Sent to Minors (The Cincinnati Reds sent C Chuckie Robinson to the minors.) |
| | LF | Sent to Minors (The Cincinnati Reds optioned OF Nick Solak to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Lyon Richardson to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds optioned RHP Levi Stoudt to the minors.) |
| | C | Signed (The Cincinnati Reds signed C Andy Yerzy to a minor league contract.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Chase Anderson to the minors.) |
| | CF | Sent to Minors (The Cincinnati Reds sent OF Allan Cerda to the minors.) |
| | P | Recalled From Minors Rehab (The Cincinnati Reds selected the contract of RHP Chase Anderson.) |
| | 1B | Sent to Minors (The Cincinnati Reds sent INF Alex McGarry to the minors.) |
| | C | Sent to Minors (The Cincinnati Reds sent C Jhonny Pereda to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Connor Phillips to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent LHP Andrew Abbott to the minors.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Alan Busenitz to the minors.) |
| | P | Non-roster Invitee (The Cincinnati Reds invited RHP Chase Anderson to spring training.) |
| | P | Sent to Minors (The Cincinnati Reds sent RHP Ben Lively to the minors.) |
| | 2B | Non-roster Invitee (The Cincinnati Reds invited INF Alejo Lopez to spring training.) |
| | P | Placed on 60-Day IL (The Cincinnati Reds placed RHP Vladimir Gutierrez on the 60-day injured list.) |
| | P | Claimed on Unconditional Release Waivers (The Cincinnati Reds claimed LHP Bennett Sousa off waivers from the Chicago White Sox.) |
| | P | Signed (The Cincinnati Reds signed RHP Chase Anderson to a minor league contract) |
| | P | Non-roster Invitee (The Cincinnati Reds signed RHP Hunter Strickland to a minor league contract with an invitation to spring training. ) |
| | 3B | Non-roster Invitee (The Cincinnati Reds invited INF Christian Encarnacion-Strand to spring training.) |
| | P | Signed (The Cincinnati Reds signed LHP Christian Lopez to a minor league contract.) |
| | 2B | Sent to Minors (The Cincinnati Reds sent INF Alejo Lopez outright to the minors.) |
| | P | Signed (The Cincinnati Reds signed RHP Tommy Eveld to a minor league contract.) |
| | CF | Signed (The Cincinnati Reds signed OF Pedro Alfonseca to a minor league contract.) |
| | CF | Traded (The Cincinnati Reds traded OF Justin Boyd to the Cleveland Guardians.) To |
| | 2B | Designated for Assignment (The Cincinnati Reds designated INF Alejo Lopez for assignment.) |
| | RF | Traded (The Cleveland Guardians traded OF Will Benson to the Cincinnati Reds.) From |
| | CF | Signed (The Cincinnati Reds signed OF Nick Plummer to a minor league contract.) |
| | LF | Signed (The Cincinnati Reds signed OF Nick Martini to a minor league contract.) |
| | P | Signed (The Cincinnati Reds signed RHP John Murphy to a minor league contract.) |
| | 1B | Signed (The Cincinnati Reds signed INF Kennys Vargas to a minor league contract.) |
| | 1B | Signed (The Cincinnati Reds signed INF Kennys Vargas to a minor league contract.) |
| | LF | Signed (The Cincinnati Reds signed OF Chad Pinder.) |
| | P | Non-roster Invitee (The Cincinnati Reds invited RHP Connor Phillips to spring training.) |
| | 1B | Non-roster Invitee (The Cincinnati Reds invited INF Alex McGarry to spring training.) |
| | 2B | Non-roster Invitee (The Cincinnati Reds invited INF Matt McLain to spring training.) |
| | P | Non-roster Invitee (The Cincinnati Reds invited RHP Kevin Herget to spring training.) |
| | P | Non-roster Invitee (The Cincinnati Reds invited LHP Andrew Abbott to spring training.) |
| | P | Signed to a Minor League Contract (Signed) |
| | C | Signed to a Minor League Contract (Signed) |
| | C | Signed as Free Agent (one-year contract) |
| | 1B | Designated for Assignment (Signed) |
| | RF | Signed as Free Agent (one-year contract) |
| | P | Signed to Play in Japan (Yakult Swallows) |
| | P | Traded (completes 12/7 trade for OF Blake Sabol) From |
| | P | Signed to a Minor League Contract (Signed) |
| | C | Traded (for RHP Jake Wong) To |
| | C | Drafted Via Rule 5 (Signed) |
| | C | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | C | Signed to a Minor League Contract (Signed) |
| | C | Signed as Free Agent (one-year contract) |
| | RF | Signed to Play in Japan (Chunichi Dragons) |
| | P | Signed (The Cincinnati Reds signed RHP Nick Howard to a minor league contract.) |
| | P | Cleared Waivers and Became a Free Agent (Signed) |
| | CF | Free Agent - No Contract Offer (non-tendered) |
| | RF | Free Agent - No Contract Offer (non-tendered) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Signed to a Minor League Contract (Signed) |
| | CF | Signed to a Minor League Contract (Signed) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Traded (for INF Kevin Newman) To |
| | P | Traded (for SS Kyle Farmer) From |
| | SS | Traded (for RHP Dauri Moreta) From |
| | 3B | Traded (for RHP Casey Legumina) To |
| | P | Signed (avoids arbitration) |
| | P | Released (Signed) |
| | SS | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | SS | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | RF | Designated for Assignment (Signed) |
| | P | Designated for Assignment (Signed) |
| | RF | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | LF | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | LF | Traded (for cash considerations) From |
| | C | Declared Free Agency (Signed) |
| | SS | Declared Free Agency (Signed) |
| | 3B | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Declared Free Agency (team declined mutual option) |
| | P | Signed to a Minor League Contract (Signed) |