| | RW | Sent to minors (The Buffalo Sabres sent F Lukas Rousek to the minors.) |
| | G | Sent to minors (The Buffalo Sabres sent G Devon Levi to the minors.) |
| | RW | Activated (The Buffalo Sabres activated F Jack Quinn from the injured reserve.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Devon Levi from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Ryan Johnson to the minors.) |
| | D | Traded (The Florida Panthers traded D Calle Sjalin to the Buffalo Sabres.) |
| | D | Sent to minors (The Buffalo Sabres sent D Calle Sjalin to the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Kale Clague from the minors.) |
| | D | Traded (The Buffalo Sabres traded D Erik Johnson to the Philadelphia Flyers.) To |
| | RW | Traded (The Buffalo Sabres traded F Kyle Okposo to the Florida Panthers.) To |
| | C | Called up from minors (The Buffalo Sabres recalled F Tyson Jost from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Lukas Rousek from the minors.) |
| | D | Traded (The Buffalo Sabres acquired D Bowen Byram in a trade with Colorado.) From |
| | C | Traded (The Colorado Avalanche received F Casey Mittelstadt in a trade with Buffalo.) To |
| | C | Sent to minors (The Buffalo Sabres sent F Tyson Jost to the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Dustin Tokarski from the minors.) |
| | G | Sent to minors (The Buffalo Sabres sent G Dustin Tokarski to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Kale Clague to the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Tyson Jost from the minors.) |
| | D | Activated (The Buffalo Sabres activated D Owen Power off Injured Reserve.) |
| | D | Sent to minors (The Buffalo Sabres sent D Kale Clague to the minors.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Dustin Tokarski to the minors.) |
| | D | Placed on Injured Reserve (The Buffalo Sabres placed D Owen Power on Injured Reserve.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Dustin Tokarski from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Kale Clague from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Kale Clague to the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Kale Clague from the minors.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Dustin Tokarski to the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Dustin Tokarski from the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Dustin Tokarski from the minors.) |
| | RW | Placed on Injured Reserve (The Buffalo Sabres placed F Jack Quinn on injured reserve.) |
| | D | Placed on Injured Reserve (The Buffalo Sabres placed D Mattias Samuelsson on Injured Reserve.) |
| | D | Activated (The Buffalo Sabres activated D Erik Johnson.) |
| | C | Not With Team (The Buffalo Sabres FJiri Kulich is not with the team due to playing in the 2024 IIHF Worl Junior Championship.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Eric Comrie.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Devon Levi to the minors.) |
| | D | Placed on Injured Reserve (The Buffalo Sabres placed D Erik Johnson on Injured Reserve.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Jacob Bryson.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Eric Comrie to the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Devon Levi.) |
| | G | Sent to minors (The Buffalo Sabres sent G Devon Levi to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Jacob Bryson to the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Eric Comrie from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Jacob Bryson from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Kale Clague to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Kale Clague to the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Kale Clague from the minors.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Jeff Skinner on injured reserve.) |
| | RW | Activated (The Buffalo Sabres activated F Kyle Okposo.) |
| | RW | Traded (The Buffalo Sabres traded F Filip Cederqvist to the Montreal Canadiens.) To |
| | C | Called up from minors (The Buffalo Sabres recalled F Jiri Kulich from the minors.) |
| | RW | Placed on Injured Reserve (The Buffalo Sabres placed F Kyle Okposo on Injured Reserve.) |
| | G | Waived (The Buffalo Sabres waived G Eric Comrie.) |
| | C | Activated (The Buffalo Sabres activated F Tage Thompson from the Injured Reserve.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Ryan Johnson from the minors.) |
| | D | Sent to minors (The Buffalo Sabres sent D Ryan Johnson to the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Ryan Johnson from the minors.) |
| | LW | Activated (The Buffalo Sabres activated F Zemgus Girgensons from injured reserve.) |
| | D | Activated (The Buffalo Sabres activated D Jacob Bryson from injured reserve.) |
| | C | Waived (The Buffalo Sabres waived F Tyson Jost.) |
| | C | Placed on Injured Reserve (The Buffalo Sabres placed F Tage Thompson on injured reserve.) |
| | LW | Activated (The Buffalo Sabres activated F Jordan Greenway from injured reserve.) |
| | LW | Activated (The Buffalo Sabres activated F Jeff Skinner from injured reserve.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Brett Murray to the minors.) |
| | RW | Activated (The Buffalo Sabres activated F Jack Quinn from injured reserve.) |
| | D | Waived (The Buffalo Sabres waived D Jacob Bryson.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brett Murray from the minors.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Jeff Skinner on Injured Reserve.) |
| | RW | Activated (The Buffalo Sabres activated F Alex Tuch from injured reserve.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Brett Murray to the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brett Murray.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Isak Rosen to the minors.) |
| | LW | Traded (The Columbus Blue Jackets traded F Eric Robinson to the Buffalo Sabres.) From |
| | LW | Sent to minors (The Buffalo Sabres assigned F Brandon Biro to the minors.) |
| | C | Activated (The Buffalo Sabres activated F Tage Thompson from injured reserve.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Devon Levi.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Jordan Greenway on Injured Reserve.) |
| | RW | Placed on Injured Reserve (The Buffalo Sabres placed F Alex Tuch on Injured Reserve.) |
| | LW | Activated (The Buffalo Sabres activated F Jordan Greenway on injured reserve.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brandon Biro.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Jiri Kulich to the minors.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Devon Levi to the minors.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Jordan Greenway on injured reserve.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Jiri Kulich from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Isak Rosen from the minors.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Zemgus Girgensons on injured reserve.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Jiri Kulich from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Isak Rosen from the minors.) |
| | C | Placed on Injured Reserve (The Buffalo Sabres placed F Tage Thompson on Injured Reserve.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Lukas Rousek to the minors.) |
| | LW | Activated (The Buffalo Sabres activated F Zach Benson.) |
| | G | Activated (The Buffalo Sabres activated G Eric Comrie.) |
| | LW | Activated (The Buffalo Sabres activated F Brandon Biro.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Brandon Biro to the minors.) |
| | C | Sent to minors (The Buffalo Sabres sent F Matt Savoie to the minors.) |
| | C | Placed on Injured Reserve (The Buffalo Sabres placed F Matt Savoie on Injured Reserve.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Brandon Biro on injured reserve.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Matt Savoie.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Ryan Johnson from the minors.) |
| | D | Placed on Injured Reserve (The Buffalo Sabres placed D Mattias Samuelsson on the Injured Reserve list.) |
| | LW | Placed on Injured Reserve (The Buffalo Sabres placed F Zach Benson on Injured Reserve.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Lukas Rousek from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Lukas Rousek from the minors.) |
| | D | Suspension Over (D Connor Clifton was reinstated from suspension.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brandon Biro.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Devin Cooley to the minors.) |
| | G | Placed on Injured Reserve (The Buffalo Sabres placed G Eric Comrie on Injured Reserve.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Devin Cooley from the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Devin Cooley from the minors.) |
| | D | Suspended (The NHL suspended D Connor Clifton for two games.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Mathew Savoie to the minors.) |
| | C | Activated (The Buffalo Sabres activated F Matt Savoie.) |
| | C | Placed on Injured Reserve (The Buffalo Sabres placed F Matthew Savoie on injured reserve.) |
| | RW | Placed on Injured Reserve (The Buffalo Sabres placed F Jack Quinn on injured reserve.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Ethan Miedema to the minors.) |
| | D | Sent to minors (The Buffalo Sabres sent D Riley Stillman to the minors.) |
| | RW | Sent to minors (The Buffalo Sabres sent F Lukas Rousek to the minors.) |
| | G | Sent to minors (The Buffalo Sabres sent G Scott Ratzlaff to the minors.) |
| | D | Sent to minors (The Buffalo Sabres sent D Kale Clague to the minors.) |
| | LW | Sent to minors (The Buffalo Sabres sent F Brandon Biro to the minors.) |
| | D | Sent to minors (The Buffalo Sabres sent D Ryan Johnson to the minors.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Jiri Kulich to the minors.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Brett Murray to the minors.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Isak Rosen to the minors.) |
| | D | Waived (The Buffalo Sabres waived D Joseph Cecconi.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Devin Cooley to the minors.) |
| | D | Waived (The Buffalo Sabres waived D Jeremy Davies.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Justin Richards to the minors.) |
| | G | Sent to minors (The Buffalo Sabres assigned G Dustin Tokarski to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Vsevolod Komarov to the minors.) |
| | LW | Released (The Buffalo Sabres released F Brendan Warren.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Chris Brown to the minors.) |
| | C | Released (The Buffalo Sabres released F Graham Slaggert.) |
| | D | Released (The Buffalo Sabres released D Nicholas Savoie.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Aleksandr Kisakov to the minors.) |
| | C | Released (The Buffalo Sabres released F Damien Giroux.) |
| | C | Released (The Buffalo Sabres released F Riley Fidlder-Schultz.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Viktor Neuchev to the minors.) |
| | D | Released (The Buffalo Sabres released D Ethan Prow.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Olivier Nadeau to the minors.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Linus Weissbach to the minors.) |
| | D | Released (The Buffalo Sabres released D Zach Metsa.) |
| | RW | Sent to minors (The Buffalo Sabres assigned F Filip Cederqvist to the minors.) |
| | C | Sent to minors (The Buffalo Sabres assigned F Tyson Kozak to the minors.) |
| | D | Released (The Buffalo Sabres released D Chris Jandric.) |
| | G | Released (The Buffalo Sabres released G Michael Houser.) |
| | D | Released (The Buffalo Sabres released D Brandon Fortunato.) |
| | C | Released (The Buffalo Sabres released F Mason Jobst.) |
| | LW | Sent to minors (The Buffalo Sabres assigned F Michael Mersch to the minors.) |
| | C | Released (The Buffalo Sabres released F Dominick Mersch.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Nikita Novikov to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Norwin Panocha to the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Mats Lindgren to the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Ethan Miedema from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Chris Brown from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Mason Jobst from the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brandon Biro from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Filip Cederqvist from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Damien Giroux from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Jiri Kulich from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Riley Fiddler-Schultz from the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Olivier Nadeau from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Maxim Strbak to the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Matthew Savoie from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Ryan Johnson from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Nicholas Savoie from the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Brendan Warren from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Graham Slaggert from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Norwin Panocha from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Sean Keohane to the minors.) |
| | RW | Called up from minors (The Buffalo Sabres recalled F Isak Rosen from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Mats Lindgren from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Chris Jandric from the minors.) |
| | C | Activated (The Buffalo Sabres recalled F Dominick Mersch from the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Viktor Neuchev from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Zach Metsa from the minors.) |
| | C | Called up from minors (The Buffalo Sabres recalled F Tyson Kozak from the minors.) |
| | G | Called up from minors (The Buffalo Sabres recalled G Michael Houser from the minors.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Brandon Fortunato from the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Michael Mersch from the minors.) |
| | LW | Called up from minors (The Buffalo Sabres recalled F Aleksandr Kisakov from the minors.) |
| | D | Sent to minors (The Buffalo Sabres assigned D Gavin McCarthy to the minors.) |
| | G | Activated (The Buffalo Sabres activated G Scott Ratzlaff.) |
| | D | Called up from minors (The Buffalo Sabres recalled D Ethan Prow from the minors.) |
| | D | Traded (The Anaheim Ducks acquired D Ilya Lyubushkin from a trade with Buffalo Sabres.) To |
| | C | Sent to minors (The Buffalo Sabres assigned F Anton Wahlberg to the minors.) |
| | LW | Signed (The Buffalo Sabres signed draft pick F Zach Benson.) |
| | LW | Signed (The Buffalo Sabres signed F Brett Murray to a standard contract.) |
| | D | Signed (The Buffalo Sabres signed D Erik Johnson.) |
| | G | Signed (The Buffalo Sabres signed G Dustin Tokarski.) |
| | G | Signed (The Buffalo Sabres signed G Devin Cooley.) |
| | C | Signed (The Buffalo Sabres signed F Justin Richards.) |
| | D | Signed (The Buffalo Sabres signed D Connor Clifton.) |
| | C | Became Unrestricted Free Agent (F Vinnie Hinostroza elected free agency.) |
| | D | Drafted (The Buffalo Sabres drafted D Sean Keohane.) |
| | D | Drafted (The Buffalo Sabres drafted D Maxim Strbak.) |
| | D | Drafted (The Buffalo Sabres drafted D Norwin Panocha.) |
| | D | Drafted (The Buffalo Sabres drafted D Gavin Mccarthy.) |
| | LW | Drafted (The Buffalo Sabres drafted F Ethan Miedema) |
| | C | Drafted (The Buffalo Sabres drafted C Anton Wahlberg.) |
| | G | Drafted (The Buffalo Sabres drafted G Scott Ratzlaff.) |
| | LW | Drafted (The Buffalo Sabres drafted F Zachary Benson.) |
| | D | Signed (The Buffalo Sabres signed D Jeremy Davies to a two-way contract. ) |
| | D | Signed (The Buffalo Sabres signed D Joseph Cecconi to a two-way contract.) |