| | P | Signed as Free Agent (one-year contract) |
| | P | Signed as Free Agent (one-year contract) |
| | P | Signed as Free Agent (one-year contract) |
| | C | Traded (for RHP Chris Mazza, four-player deal) To |
| | P | Signed as Free Agent (one-year contract) |
| | P | Traded (for C Ronaldo Hernandez, 4-player deal) From |
| | P | Traded (for C Ronaldo Hernandez, 4-player deal) From |
| | P | Traded (for 1B Evan Edwards) To |
| | P | Signed (loses arbitration) |
| | P | Signed to a Minor League Contract (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Traded (for future considerations) To |
| | 1B | Signed (wins arbitration) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed (avoids arbitration) |
| | CF | Signed (avoids arbitration) |
| | 2B | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Traded (three-team, four-player deal) To |
| | P | Traded (three-team, four-player deal) To |
| | P | Traded (Signed) From |
| | DH | Traded (for LHP Blake Snell, five-player deal) From |
| | C | Traded (for LHP Blake Snell, five-player deal) From |
| | P | Traded (for LHP Blake Snell, five-player deal) From |
| | P | Traded (for LHP Blake Snell, five-player deal) From |
| | P | Traded (for RHP Luis Patino, five-player deal) To |
| | C | Signed to a Minor League Contract (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | 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 | Traded (for C Heriberto Hernandez, 6-player deal) To |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | CF | Cleared Waivers and Became a Free Agent (Signed) |
| | RF | Refused Minor League Assignment - Free Agent (Signed) |
| | RF | Outrighted to Minors (Signed) |
| | CF | Released (Signed) |
| | CF | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | RF | Designated for Assignment (Signed) |
| | SS | Purchased From Minors (Signed) |
| | 3B | Purchased From Minors (Signed) |
| | P | Declared Free Agency (Signed) |
| | RF | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | CF | Declared Free Agency (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Declared Free Agency (Signed) |
| | C | Declared Free Agency (team option declined) |
| | P | Declared Free Agency (team option declined) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | C | Refused Minor League Assignment - Free Agent (Signed) |
| | C | Outrighted to Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | C | Acquired Off Waivers (Signed) To |
| | P | Declared Free Agency (Signed) |
| | P | Refused Minor League Assignment - Free Agent (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | 3B | Called Up from Minors (Signed) |
| | 2B | Called Up from Minors (Signed) |
| | C | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | CF | Called Up from Minors (Signed) |
| | 3B | Removed From 10-Day IL (Strained right hamstring) |
| | 1B | Removed From 10-Day IL (Strained left hamstring) |
| | RF | Removed From 10-Day IL (Strained left oblique) |
| | C | Removed From 10-Day IL (Strained left oblique) |
| | P | Sent to Minors (Signed) |
| | P | Transferred to 60-Day IL (Left pinky finger irritation) |
| | P | Purchased From Minors (Signed) |
| | RF | Placed on 10-Day IL (Strained left oblique) |
| | 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 biceps tendinitis) |
| | 1B | Placed on 10-Day IL (Strained left hamstring) |
| | CF | Traded (for RHP Stephen Woods Jr. (7/21 trade)) From |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Left pinky finger irritation) |
| | SS | Traded (for 1B/OF Jose Martinez (8/30 trade)) From |
| | P | Removed From 10-Day IL (Left groin tightness) |
| | P | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | CF | Removed From 10-Day IL (COVID-19 injured list (intake testing)) |
| | P | Removed From 10-Day IL (Right forearm inflammation) |
| | P | Transferred to 60-Day IL (Left shoulder inflammation) |
| | P | Removed From 10-Day IL (Right shoulder inflammation) |
| | P | Sent to Minors (Signed) |
| | CF | Sent to Minors (Signed) |
| | 3B | Placed on 10-Day IL (Strained right hamstring) |
| | 1B | Called Up from Minors (Signed) |
| | P | Traded (for cash considerations) To |
| | RF | Called Up from Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | LF | Traded (for cash considerations) To |
| | C | Purchased From Minors (Signed) |
| | CF | Called Up from Minors (Signed) |
| | P | Transferred to 60-Day IL (Right elbow soreness) |
| | C | Placed on 10-Day IL (Strained left oblique) |
| | P | Placed on 10-Day IL (Left groin tightness) |
| | P | Traded (for LHP Cody Reed) To |
| | P | Traded (for RHP Riley O'Brien) From |
| | CF | Placed on 10-Day IL (COVID-19 injured list (intake testing)) |
| | CF | Traded (for INF Lucius Fox) From |
| | SS | Traded (for OF Brett Phillips) To |
| | SS | NTR - Called Up From Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Placed on 10-Day IL (Right forearm inflammation) |
| | 2B | Traded (for future considerations) To |
| | P | Called Up from Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Placed on 10-Day IL (Right elbow soreness) |
| | P | Transferred to 60-Day IL (Right elbow surgery - out for season) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Right elbow surgery - out for season) |
| | SP | Signed to a Minor League Contract (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Traded (for RHP Rodolfo Sanchez) From |
| | 2B | Designated for Assignment (Signed) |
| | P | Removed From 10-Day IL (Right triceps inflammation) |
| | P | Sent to Minors (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Left shoulder inflammation) |
| | P | Called Up from Minors (Signed) |
| | P | Purchased From Minors (Signed) |
| | C | Outrighted to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | P | Outrighted to Minors (Signed) |
| | P | Reinstated from Paternity Leave List (Signed) |
| | P | Placed on 10-Day IL (Right shoulder inflammation) |
| | P | Called Up from Minors (Signed) |
| | CF | Removed From 10-Day IL (COVID-19 injured list (intake testing)) |
| | C | Designated for Assignment (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Placed on 10-Day IL (Right biceps tendinitis) |
| | P | Purchased From 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) |
| | CF | Placed on 10-Day IL (COVID-19 injured list (intake testing)) |
| | CF | Reinstated from Bereavement/Family Medical Emergency List (Signed) |
| | P | Purchased From Minors (Signed) |
| | P | Placed on Paternity Leave List (Signed) |
| | P | Called Up from Minors (Signed) |
| | P | Placed on 10-Day IL (Right triceps inflammation) |
| | CF | Sent to Minors (Signed) |
| | P | Sent to Minors (Signed) |
| | CF | Placed on Bereavement/Family Medical Emergency List (Signed) |
| | CF | Called Up from Minors (Signed) |
| | RF | Removed From 10-Day IL (COVID-19 injured list) |
| | P | Sent to Minors (Signed) |
| | 2B | Sent to Minors (Signed) |
| | C | Removed From 10-Day IL (COVID-19 injured list) |
| | 2B | Called Up from Minors (Signed) |
| | C | Placed on 10-Day IL (COVID-19 injured list) |