| | P | Removed From 10-Day IL (Strained right calf) |
| | P | Placed on 10-Day IL (Right knee inflammation) |
| | P | Sent to Minors (Signed) |
| | P | Removed From 10-Day IL (Right adductor groin strain) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Strained left forearm) |
| | P | Removed From 10-Day IL (Strained right elbow) |
| | P | Sent to Minors (Signed) |
| | CF | Sent to Minors (Signed) |
| | RF | Removed From 10-Day IL (Strained left hamstring) |
| | SS | Placed on 10-Day IL (Subluxation of left shoulder) |
| | CF | Called Up from Minors (Signed) |
| | P | Traded (for RHP Dauris Valdez) From |
| | P | Transferred to 60-Day IL (Sprained UCL, right elbow) |
| | P | Sent to Minors (Signed) |
| | 1B | Placed on 10-Day IL (Fractured middle finger, left hand) |
| | P | Placed on 10-Day IL (Recovery from right knee surgery) |
| | P | Placed on 10-Day IL (Right adductor groin strain) |
| | P | Placed on 10-Day IL (Sprained UCL, right elbow) |
| | P | Placed on 10-Day IL (Strained right calf) |
| | P | Placed on 10-Day IL (Strained right elbow) |
| | P | Purchased From Minors (Signed) |
| | LF | Placed on 10-Day IL (Right elbow inflammation) |
| | RF | Placed on 10-Day IL (Strained left hamstring) |
| | P | Placed on 10-Day IL (Recovery from right elbow surgery) |
| | CF | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | RF | Signed to a Minor League Contract (Signed) |
| | SS | Signed (14-year contract extension) |
| | C | Signed to a Minor League Contract (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | P | Signed as Free Agent (one-year contract) |
| | RF | Signed to a Minor League Contract (Signed) |
| | SS | Signed as Free Agent (one-year, three-options contract) |
| | CF | Traded (seven-player, three-team trade) To |
| | P | Traded (seven-player, three-team trade) From |
| | P | Traded (seven-player, three-team trade) To |
| | P | Traded (seven-player, three-team trade) To |
| | SS | Signed to a Minor League Contract (Signed) |
| | CF | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | C | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | RP | Signed to a Minor League Contract (Signed) |
| | LF | Traded (for LHP James Reeves) To |
| | SP | Retired (Signed) |
| | 2B | Signed as Free Agent (four-year contract) |
| | LF | Designated for Assignment (Signed) |
| | P | Traded (for RHP Yu Darvish, seven-player deal) To |
| | C | Traded (for RHP Zach Davies, seven-player deal) From |
| | P | Traded (for RHP Zach Davies, seven-player deal) From |
| | DH | Traded (for LHP Blake Snell, five-player deal) To |
| | C | Traded (for LHP Blake Snell, five-player deal) To |
| | P | Traded (for LHP Blake Snell, five-player deal) To |
| | RF | Traded (for RHP Yu Darvish, seven-player deal) To |
| | P | Traded (for LHP Blake Snell, five-player deal) To |
| | P | Traded (for RHP Luis Patino, five-player deal) From |
| | SS | Traded (for RHP Yu Darvish, seven-player deal) To |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | CF | Signed as Free Agent (one-year contract) |
| | P | Signed (avoids arbitration) |
| | 2B | Free Agent - No Contract Offer (non-tendered) |
| | P | Cleared Waivers and Became a Free Agent (Signed) |
| | P | Released (Signed) |
| | P | Designated for Assignment (Signed) |
| | 1B | Retired (Signed) |
| | P | Purchased From Minors (Signed) |
| | 3B | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | 3B | Signed to a Minor League Contract (Signed) |
| | P | Signed (two-year restructured contract) |
| | RF | Traded (completes 6/30 Jorge Mateo deal) To |
| | 1B | Declared Free Agency (Signed) |
| | CF | Declared Free Agency (Signed) |
| | 1B | Declared Free Agency (team option declined) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | SS | Declared Free Agency (Signed) |
| | C | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | CF | Refused Minor League Assignment - Free Agent (Signed) |
| | CF | Outrighted to Minors (Signed) |
| | CF | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | C | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | LF | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | C | Removed From 10-Day IL (Sprained left wrist) |
| | CF | Called Up from Minors (Signed) |
| | P | Removed From 10-Day IL (Undisclosed injury) |
| | LF | Called Up from Minors (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Return of 27th man (return of 29th roster player) |
| | P | Removed From 10-Day IL (Right knee inflammation) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Transferred to 60-Day IL (Bone chips, right elbow) |
| | P | Called Up from Minors (Signed) |
| | 1B | Removed From 10-Day IL (Fractured left index finger) |
| | P | Sent to Minors (Signed) |
| | C | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | CF | Removed From 10-Day IL (Fractured hamate bone, right hand) |
| | LF | Sent to Minors (Signed) |
| | C | Removed From 10-Day IL (Left thumb contusion) |
| | CF | Sent to Minors (Signed) |