| | P | Placed on Restricted List (opting out of 2020 season) |
| | SP | Released (Signed) |
| | RP | Released (Signed) |
| | CF | Released (Signed) |
| | SS | Released (Signed) |
| | RP | Released (Signed) |
| | RP | Released (Signed) |
| | LF | Released (Signed) |
| | RP | Released (Signed) |
| | C | Released (Signed) |
| | CF | Released (Signed) |
| | 3B | Released (Signed) |
| | SP | Released (Signed) |
| | P | Released (Signed) |
| | RP | Released (Signed) |
| | SP | Released (Signed) |
| | SP | Released (Signed) |
| | 1B | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | SP | Signed to a Minor League Contract (Signed) |
| | RP | Sent to Minors (Signed) |
| | 3B | Sent to Minors (Signed) |
| | 3B | Sent to Minors (Signed) |
| | SP | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | SP | Sent to Minors (Signed) |
| | SS | Starting to Serve Illegal Substance Suspension (Signed) |
| | SS | Suspension Announced By League (80 games for violating MLB drug program) |
| | CF | Signed to a Minor League Contract (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | P | Signed (wins arbitration) |
| | SP | Signed to a Minor League Contract (Signed) |
| | SS | Signed (four-year contract, avoids arbitration) |
| | CF | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | CF | Signed to a Minor League Contract (Signed) |
| | 2B | Acquired Off Waivers (Signed) To |
| | CF | Traded (for P Brennan Malone, three-player deal) From |
| | P | Traded (for OF Starling Marte, three-player deal) To |
| | 2B | Designated for Assignment (Signed) |
| | SS | Traded (for OF Starling Marte, three-player deal) To |
| | 3B | Signed to a Minor League Contract (Signed) |
| | SS | Signed to a Minor League Contract (Signed) |
| | C | Signed to a Minor League Contract (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | 2B | Acquired Off Waivers (Signed) From |
| | P | Outrighted to Minors (Signed) |
| | LF | Signed to a Minor League Contract (Signed) |
| | P | Traded (for RHP Matt Andriese) From |
| | P | Traded (for RHP Jeremy Beasley) To |
| | LF | Signed (three-year extension, avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | 3B | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | P | Signed (avoids arbitration) |
| | SP | Signed to a Minor League Contract (Signed) |
| | P | Designated for Assignment (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | RF | Signed as Free Agent (two-year contract) |
| | RP | Signed to a Minor League Contract (Signed) |
| | P | Signed as Free Agent (five-year contract) |
| | RP | Signed to a Minor League Contract (Signed) |
| | P | Signed as Free Agent (one-year contract) |
| | CF | Signed to Play in Japan (Orix Buffaloes) |
| | C | Free Agent - No Contract Offer (non-tendered) |
| | P | Free Agent - No Contract Offer (non-tendered) |
| | RF | Free Agent - No Contract Offer (non-tendered) |
| | C | Signed as Free Agent (one-year contract) |
| | 3B | Purchased From Minors (Signed) |
| | 3B | Purchased From Minors (Signed) |
| | SP | Purchased From Minors (Signed) |
| | RP | Purchased From Minors (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Signed to a Minor League Contract (Signed) |
| | P | Declared Free Agency (Signed) |
| | P | Declared Free Agency (Signed) |
| | SP | Declared Free Agency (Signed) |
| | LF | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | SS | Declared Free Agency (Signed) |
| | P | Acquired Off Waivers (Signed) To |
| | CF | Refused Minor League Assignment - Free Agent (Signed) |
