Transactions
| Date | Player | Transactions |
| 5/29 | T.J. Rivera, 3B | Released |
| 3/26 | Austin Davis, P | Sent to Minors |
| 3/26 | Édgar García, P | Sent to Minors |
| 3/26 | Kyle Garlick, LF | Sent to Minors |
| 3/26 | Cole Irvin, P | Sent to Minors |
| 3/26 | Reggie McClain, P | Sent to Minors |
| 3/26 | Nick Williams, RF | Sent to Minors |
| 3/10 | Garrett Cleavinger, P | Sent to Minors |
| 3/10 | Mauricio Llovera, P | Sent to Minors |
| 3/9 | Arquímedes Gamboa, SS | Sent to Minors |
| 3/9 | Deivy Grullón, C | Sent to Minors |
| 3/7 | Adonis Medina, P | Sent to Minors |
| 3/7 | JoJo Romero, P | Sent to Minors |
| 3/7 | Cristopher Sánchez, P | Sent to Minors |
| 2/21 | Héctor Neris, P | Signed ( 2020; Opt 2021)(one-year contract, avoids arbitration) |
| 2/20 | J.T. Realmuto, C | Signed ( 2020)(loses arbitration) |
| 2/19 | Nick Martini, LF | Outrighted to Minors |
| 2/15 | Kyle Garlick, LF | Traded Los Angeles (for LHP Tyler Gilbert) |
| 2/15 | Nick Martini, LF | Designated for Assignment |
| 2/12 | Nick Hundley, C | Retired |
| 2/12 | Tommy Hunter, P | Signed as Free Agent ( 2020)(one-year contract) |
| 2/12 | David Robertson, P | Placed on 60-Day IL (Recovery from right elbow surgery) |
| 2/11 | JD Hammer, P | Outrighted to Minors |
| 2/5 | Deolis Guerra, P | Acquired Off Waivers Milwaukee |
| 2/5 | JD Hammer, P | Designated for Assignment |
| 2/5 | Trevor Kelley, P | Outrighted to Minors |
| 2/5 | Blake Parker, P | Signed to a Minor League Contract |
| 2/4 | Anthony Swarzak, P | Signed to a Minor League Contract |
| 2/2 | Logan Forsythe, 2B | Signed to a Minor League Contract |
| 1/31 | Trevor Kelley, P | Designated for Assignment |
| 1/31 | Reggie McClain, P | Acquired Off Waivers Seattle |
| 1/22 | Francisco Liriano, P | Signed to a Minor League Contract |
| 1/22 | Neil Walker, 2B | Signed to a Minor League Contract |
| 1/21 | Bud Norris, P | Signed to a Minor League Contract |
| 1/21 | Drew Storen, P | Signed to a Minor League Contract |
| 1/16 | Odúbel Herrera, CF | Outrighted to Minors |
| 1/15 | David Buchanan, P | Signed to Play in Korea (Samsung Lions) |
| 1/14 | Odúbel Herrera, CF | Designated for Assignment |
| 1/14 | Nick Martini, LF | Acquired Off Waivers Cincinnati |
| 1/10 | José Álvarez, P | Signed ( 2020)(avoids arbitration) |
| 1/10 | Adam Morgan, P | Signed ( 2020)(avoids arbitration) |
| 1/10 | Vince Velasquez, P | Signed ( 2020)(avoids arbitration) |
| 1/7 | Ronald Torreyes, 2B | Signed to a Minor League Contract |
| 12/29 | Didi Gregorius, SS | Signed as Free Agent ( 2020)(one-year contract) |
| 12/27 | Christian Bethancourt, C | Signed to a Minor League Contract |
| 12/18 | Mikie Mahtook, CF | Signed to a Minor League Contract |
| 12/15 | T.J. Rivera, 3B | Signed to a Minor League Contract |
| 12/14 | Dan Straily, P | Signed to Play in Korea (Lotte Giants) |
| 12/13 | Matt Szczur, LF | Signed to a Minor League Contract |
| 12/12 | Phil Gosselin, 2B | Signed to a Minor League Contract |
| 12/12 | Vimael Machín, SS | Drafted Via Rule 5 |
| 12/9 | Zack Wheeler, P | Signed as Free Agent ( 2020-2024)(five-year contract) |
| 12/2 | Maikel Franco, 3B | Free Agent - No Contract Offer (non-tendered) |
| 12/2 | César Hernández, 2B | Free Agent - No Contract Offer (non-tendered) |
| 12/2 | Trevor Kelley, P | Acquired Off Waivers Boston |
| 12/2 | Andrew Knapp, C | Signed ( 2020)(avoids arbitration) |
| 11/26 | Josh Harrison, 2B | Signed to a Minor League Contract |
| 11/20 | Garrett Cleavinger, P | Purchased From Minors |
| 11/20 | Mauricio Llovera, P | Purchased From Minors |
| 11/20 | JoJo Romero, P | Purchased From Minors |
| 11/20 | Cristopher Sánchez, P | Traded Tampa Bay (for 2B Curtis Mead) |
| 11/20 | Cristopher Sánchez, P | Purchased From Minors |
| 11/5 | José Pirela, 2B | Cleared Waivers and Became a Free Agent |
| 11/4 | Víctor Arano, P | Removed From 60-Day IL (Right elbow inflammation) |
| 11/4 | Jake Arrieta, P | Removed From 60-Day IL (Right elbow discomfort) |
| 11/4 | Seranthony Domínguez, P | Removed From 60-Day IL (Slight tear, right UCL) |
| 11/4 | Jerad Eickhoff, P | Removed From 60-Day IL (Right middle finger blister/laceration) |
| 11/4 | Jerad Eickhoff, P | Refused Minor League Assignment - Free Agent |
| 11/4 | Jerad Eickhoff, P | Outrighted to Minors |
| 11/4 | Phil Gosselin, 2B | Refused Minor League Assignment - Free Agent |
| 11/4 | Phil Gosselin, 2B | Outrighted to Minors |
| 11/4 | Jared Hughes, P | Declared Free Agency (team option declined) |
| 11/4 | Matt McBride, C | Declared Free Agency |
| 11/4 | Andrew McCutchen, CF | Removed From 60-Day IL (Torn ACL, left knee - out for season) |
| 11/4 | Adam Morgan, P | Removed From 60-Day IL (Left flexor strain) |
| 11/4 | Mike Morin, P | Refused Minor League Assignment - Free Agent |
| 11/4 | Mike Morin, P | Outrighted to Minors |
| 11/4 | Pat Neshek, P | Declared Free Agency (team option declined) |
| 11/4 | Pat Neshek, P | Removed From 60-Day IL (Strained left hamstring) |
| 11/4 | Blake Parker, P | Declared Free Agency |
| 11/4 | Edubray Ramos, P | Refused Minor League Assignment - Free Agent |
| 11/4 | Edubray Ramos, P | Outrighted to Minors |
| 11/4 | David Robertson, P | Removed From 60-Day IL (Right elbow surgery - out for season) |
| 11/4 | Robert Stock, P | Removed From 60-Day IL (Right biceps strain) |
| 11/4 | Jason Vargas, P | Declared Free Agency (team option declined) |
| 11/4 | Mitch Walding, 3B | Declared Free Agency |
| 11/3 | Jake Arrieta, P | Signed ( 2020)(player opt-out option declined) |
| 11/1 | José Pirela, 2B | Released |
| 10/31 | Corey Dickerson, LF | Removed From 60-Day IL (Fractured left foot) |
| 10/31 | Corey Dickerson, LF | Declared Free Agency |
| 10/31 | Odúbel Herrera, CF | Reinstated From League Suspension |
| 10/31 | Odúbel Herrera, CF | Reinstated From Restricted List |
| 10/31 | Tommy Hunter, P | Removed From 60-Day IL (Right forearm surgery - out for season) |
| 10/31 | Tommy Hunter, P | Declared Free Agency |
| 10/31 | Brad Miller, 2B | Declared Free Agency |
| 10/31 | Logan Morrison, 1B | Declared Free Agency |
| 10/31 | Juan Nicasio, P | Declared Free Agency |
| 10/31 | Sean Rodríguez, 2B | Declared Free Agency |
| 10/31 | Drew Smyly, P | Declared Free Agency |
| 10/31 | Nick Vincent, P | Declared Free Agency |
| 10/30 | Robert Stock, P | Acquired Off Waivers San Diego |
Last updated Jun. 5, 12:22 P.M. ET
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