| | RF | Acquired Off Waivers (Signed) To |
| | LF | Signed as Free Agent (one-year contract) |
| | RF | Designated for Assignment (Signed) |
| | P | Traded (for 1B Evan Edwards) From |
| | P | Traded (with RHP Kyle Hurt for RHP Dylan Floro) To |
| | P | Traded (for LHP Alex Vesia and RHP Kyle Hurt) From |
| | P | Traded (for INF Federico Polanco) To |
| | P | Designated for Assignment (Signed) |
| | P | Signed as Free Agent (two-year contract) |
| | C | Signed (avoids arbitration) |
| | 3B | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Acquired Off Waivers (Signed) To |
| | C | Signed to a Minor League Contract (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | SP | Signed to a Minor League Contract (Signed) |
| | P | Signed to Play in Japan (Tohoku Golden Eagles) |
| | P | Signed to Play in Korea (Kiwoom Heroes) |
| | P | Drafted Via Rule 5 (Signed) |
| | P | Traded (for future considerations) From |
| | P | Acquired Off Waivers (Signed) To |
| | 1B | Signed (avoids arbitration) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | 1B | Signed (avoids arbitration) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | P | Designated for Assignment (Signed) |
| | P | Traded (for cash considerations) From |
| | RF | Purchased From Minors (Signed) |
| | SS | Purchased From Minors (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Acquired Off Waivers (Signed) To |
| | P | Declared Free Agency (team option declined) |
| | P | Declared Free Agency (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Outrighted to Minors (Signed) |
| | C | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | 2B | Declared Free Agency (Signed) |
| | RF | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | 2B | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | CF | Signed (team option exercised) |
| | C | Refused Minor League Assignment - Free Agent (Signed) |
| | 2B | Purchased From Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Removed From 10-Day IL (Fractured nail) |
| | P | Called Up from Minors (Signed) |
| | P | 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) |
| | P | Called Up from Minors (Signed) |
| | 1B | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | CF | Removed From 10-Day IL (Strained right hamstring) |
| | P | Sent to Minors (Signed) |
| | P | Placed on 10-Day IL (Fractured nail) |
| | P | Designated for Assignment (Signed) |
| | P | Removed From 10-Day IL (Strained right oblique) |
| | 2B | Outrighted to Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Return of 27th man (return of 29th roster player) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | 2B | Designated for Assignment (Signed) |
| | SS | Removed From 10-Day IL (Right index finger laceration) |
| | P | Return of 27th man (return of 29th roster player) |
| | RF | Traded (to complete 8/31 Jonathan Villar trade) From |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Sent to Minors (Signed) |
| | 2B | Outrighted to Minors (Signed) |
| | 2B | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | 2B | Designated for Assignment (Signed) |
| | P | Transferred to 60-Day IL (Left elbow ulnar neuritis) |
| | P | Sent to Minors (Signed) |
| | P | Return of 27th man (return of 29th roster player) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Sent to Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Return of 27th man (return of 29th roster player) |
| | P | Cleared Waivers and Became a Free Agent (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Purchased From Minors (Signed) |
| | C | Transferred to 60-Day IL (Concussion) |
| | P | Purchased From Minors (Signed) |
| | 2B | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | SS | Placed on 10-Day IL (Right index finger laceration) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Released (Signed) |
| | 2B | Sent to Minors (Signed) |
| | 2B | Reinstated From Restricted List (opting back into 2020 season) |
| | P | Called Up from Minors (Signed) |
| | 1B | Sent to Minors (Signed) |
| | CF | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Left elbow ulnar neuritis) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | RF | Transferred to 60-Day IL (Strained left hamstring) |
| | 2B | Sent to Minors (Signed) |
| | 2B | Called Up from Minors (Signed) |
| | RF | Placed on 10-Day IL (Strained left hamstring) |
| | P | Outrighted to Minors (Signed) |
| | P | Transferred to 60-Day IL (Strained right Latissimus Dorsi) |
| | RF | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | 2B | Sent to Minors (Signed) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Acquired Off Waivers (Signed) To |
| | P | Outrighted to Minors (Signed) |
| | C | Outrighted to Minors (Signed) |
| | P | Placed on 10-Day IL (Strained right Latissimus Dorsi) |
| | 2B | Called Up from Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | SS | Called Up from Minors (Signed) |
| | LF | Sent to Minors (Signed) |
| | C | Transferred to 10-Day IL (Concussion) |
| | 2B | Traded (for player to be named) To |
| | P | Outrighted to Minors (Signed) |
| | CF | Traded (for LHP Caleb Smith, four-player deal) From |
| | P | Traded (for OF Starling Marte, four-player deal) To |
| | P | NTR - Called Up From Minors (Signed) |
| | P | Traded (for OF Starling Marte, four-player deal) To |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Designated for Assignment (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Designated for Assignment (Signed) |
| | C | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Removed From 10-Day IL (Undisclosed injury) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Designated for Assignment (Signed) |
| | C | Designated for Assignment (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | 1B | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Sent to Minors (Signed) |
| | P | Returned Drafted Player (Signed) |
| | P | Called Up from Minors (Signed) |
| | CF | Placed on 10-Day IL (Strained right hamstring) |
| | P | Purchased From Minors (Signed) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Return of 27th man (return of 29th roster player) |
| | C | Outrighted to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | 1B | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Strained right oblique) |
| | P | Sent to Minors (Signed) |
| | 2B | Sent to Minors (Signed) |
| | 2B | Reinstated from Paternity Leave List (Signed) |
| | P | Designated for Assignment (Signed) |
| | C | Placed on 7-Day IL (Concussion) |
| | C | Purchased From Minors (Signed) |
| | C | Placed on 7-Day IL (Concussion) |
| | P | Return of 27th man (return of 29th roster player) |
| | P | Called Up from Minors (recalled as 29th roster player) |
| | P | Transferred to 60-Day IL (Right knee patellar tendinitis) |
| | P | Sent to Minors (Signed) |
| | P | Transferred to 60-Day IL (Strained right oblique) |
| | P | Called Up from Minors (Signed) |
| | C | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Removed From 10-Day IL (Strained left elbow) |
| | C | Designated for Assignment (Signed) |
| | 2B | Placed on Paternity Leave List (Signed) |
| | LF | Called Up from Minors (Signed) |
| | CF | Sent to Minors (Signed) |
| | P | Placed on 10-Day IL (Strained right oblique) |
| | SS | Removed From 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Placed on 10-Day IL (Right knee patellar tendinitis) |
| | P | Transferred to 60-Day IL (Right elbow UCL injury) |
| | LF | Reinstated from Bereavement/Family Medical Emergency List (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | 1B | Sent to Minors (Signed) |
| | 1B | Called Up from Minors (Signed) |
| | LF | Placed on Bereavement/Family Medical Emergency List (Signed) |
| | P | Placed on 10-Day IL (Right elbow UCL injury) |
| | P | Called Up from Minors (Signed) |
| | P | Traded (for RHP Chad Smith) From |
| | P | Sent to Minors (Signed) |
| | P | Placed on 10-Day IL (Strained left elbow) |
| | P | Purchased From Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | CF | Removed From 10-Day IL (Undisclosed injury) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | CF | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Purchased From Minors (Signed) |
| | 2B | Purchased From Minors (Signed) |
| | C | Purchased From Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | SS | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Purchased From Minors (Signed) |
| | 2B | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Purchased From Minors (Signed) |
| | C | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | RF | Removed From 10-Day IL (Undisclosed injury) |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Placed on 10-Day IL (Undisclosed injury) |
| | P | Placed on 10-Day IL (Undisclosed injury) |
| | 2B | Signed as Free Agent (one-year contract) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Traded (for cash considerations) From |
| | 2B | Placed on Restricted List (opting out of 2020 season) |
| | C | Signed to a Minor League Contract (Signed) |
| | P | Traded (for player to be named) From |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Sent to Minors (Signed) |
| | P | Acquired Off Waivers (Signed) From |
| | P | Acquired Off Waivers (Signed) From |
| | P | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | 1B | Placed on 10-Day IL (COVID-19 injured list (positive test)) |
| | RF | Placed on 10-Day IL (COVID-19 injured list (positive test)) |