Transactions
| Date | Player | Transactions |
| 4/20 | Drew Anderson, P | Called Up from Minors |
| 4/20 | Víctor Arano, P | Placed on 10-Day IL (Right elbow inflammation) |
| 4/20 | Austin Davis, P | Called Up from Minors |
| 4/20 | Scott Kingery, SS | Placed on 10-Day IL (Strained right hamstring) |
| 4/20 | Jean Segura, SS | Placed on 10-Day IL (Strained left hamstring) |
| 4/20 | Mitch Walding, 3B | Called Up from Minors |
| 4/18 | Odúbel Herrera, CF | Placed on 10-Day IL (Right hamstring strain) |
| 4/18 | Roman Quinn, CF | Recalled From Minors Rehab Assignment |
| 4/18 | Roman Quinn, CF | Removed From 10-Day IL (Right oblique strain) |
| 4/17 | Phil Gosselin, 2B | Purchased From Minors |
| 4/17 | Tommy Hunter, P | Transferred to 60-Day IL (Strained right forearm) |
| 4/17 | Nick Pivetta, P | Sent to Minors |
| 4/16 | Drew Anderson, P | Sent to Minors |
| 4/16 | Jerad Eickhoff, P | Called Up from Minors |
| 4/15 | Drew Anderson, P | Called Up from Minors |
| 4/15 | David Robertson, P | Placed on 10-Day IL (Sore right elbow) |
| 4/12 | Víctor Arano, P | Called Up from Minors |
| 4/11 | Edubray Ramos, P | Sent to Minors |
| 4/4 | Roman Quinn, CF | Sent to Minors For Rehabilitation |
| 3/28 | Tommy Hunter, P | Placed on 10-Day IL (Strained right forearm) |
| 3/28 | Roman Quinn, CF | Placed on 10-Day IL (Right oblique strain) |
| 3/23 | Víctor Arano, P | Sent to Minors |
| 3/23 | Jerad Eickhoff, P | Sent to Minors |
| 3/23 | Yacksel Ríos, P | Sent to Minors |
| 3/21 | Drew Anderson, P | Sent to Minors |
| 3/21 | Jeremy Bleich, P | Released |
| 3/21 | Drew Butera, C | Released |
| 3/21 | Dylan Cozens, RF | Sent to Minors |
| 3/21 | Edward Paredes, P | Released |
| 3/21 | James Pazos, P | Sent to Minors |
| 3/21 | Gregorio Petit, SS | Released |
| 3/21 | Trevor Plouffe, 3B | Released |
| 3/15 | Mitch Walding, 3B | Sent to Minors |
| 3/11 | Austin Davis, P | Sent to Minors |
| 3/11 | Enyel De Los Santos, P | Sent to Minors |
| 3/11 | Édgar García, P | Sent to Minors |
| 3/11 | Ranger Suárez, P | Sent to Minors |
| 3/10 | Pedro Beato, P | Signed to a Minor League Contract |
| 3/9 | Arquímedes Gamboa, SS | Sent to Minors |
| 3/9 | Adonis Medina, P | Sent to Minors |
| 3/2 | Bryce Harper, RF | Signed as Free Agent ( 2019-2031)(thirteen-year contract) |
| 2/20 | Trevor Plouffe, 3B | Signed to a Minor League Contract |
| 2/13 | Aaron Nola, P | Signed ( 2019-2022; Opt 2023)(four-year contract, avoids arbitration) |
| 2/8 | Sean Rodríguez, 2B | Signed to a Minor League Contract |
| 2/7 | J.T. Realmuto, C | Traded Miami (for C Jorge Alfaro, four-player deal) |
| 2/5 | Drew Butera, C | Signed to a Minor League Contract |
| 1/14 | Lane Adams, LF | Signed to a Minor League Contract |
| 1/11 | Aaron Altherr, RF | Signed ( 2019)(avoids arbitration) |
| 1/11 | José Álvarez, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Maikel Franco, 3B | Signed ( 2019)(avoids arbitration) |
| 1/11 | César Hernández, 2B | Signed ( 2019)(avoids arbitration) |
| 1/11 | Will Middlebrooks, 3B | Retired |
| 1/11 | Adam Morgan, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Gift Ngoepe, 2B | Signed to a Minor League Contract |
| 1/11 | Edward Paredes, P | Signed to a Minor League Contract |
| 1/11 | Andrew Romine, 2B | Signed to a Minor League Contract |
| 1/11 | Vince Velasquez, P | Signed ( 2019)(avoids arbitration) |
| 1/10 | Jerad Eickhoff, P | Signed ( 2019)(avoids arbitration) |
| 1/10 | Héctor Neris, P | Signed ( 2019)(avoids arbitration) |
| 1/3 | David Robertson, P | Signed as Free Agent ( 2019-2020; Opt 2021)(two-year contract) |
| 12/21 | Jeremy Bleich, P | Signed to a Minor League Contract |
| 12/21 | Rob Brantly, C | Signed to a Minor League Contract |
| 12/21 | Matt McBride, C | Signed to a Minor League Contract |
| 12/21 | Gregorio Petit, SS | Signed to a Minor League Contract |
| 12/21 | Shane Robinson, RF | Signed to a Minor League Contract |
| 12/17 | Phil Gosselin, 2B | Signed to a Minor League Contract |
| 12/13 | Drew Jackson, SS | Drafted Via Rule 5 |
| 12/12 | Andrew McCutchen, RF | Signed as Free Agent ( 2019-2021; Opt 2022)(three-year contract) |
| 12/6 | José Álvarez, P | Traded Los Angeles (for RHP Luis Garcia) |
| 12/3 | Juan Nicasio, P | Traded Seattle (for 1B Carlos Santana, five-player deal) |
| 12/3 | James Pazos, P | Traded Seattle (for 1B Carlos Santana, five-player deal) |
| 12/3 | Jean Segura, SS | Traded Seattle (for 1B Carlos Santana, five-player deal) |
| 11/30 | Luis Avilán, P | Free Agent - No Contract Offer (non-tendered) |
| 11/30 | Justin Bour, 1B | Free Agent - No Contract Offer (non-tendered) |
| 11/20 | Arquímedes Gamboa, SS | Purchased From Minors |
| 11/20 | Édgar García, P | Purchased From Minors |
| 11/20 | Adonis Medina, P | Purchased From Minors |
| 11/2 | Pedro Beato, P | Declared Free Agency |
| 11/2 | Collin Cowgill, RF | Declared Free Agency |
| 11/2 | Pedro Florimón, SS | Outrighted to Minors |
| 11/2 | Pedro Florimón, SS | Refused Minor League Assignment - Free Agent |
| 11/2 | Ryan Goins, 2B | Declared Free Agency |
| 11/2 | Matt McBride, C | Declared Free Agency |
| 11/2 | Will Middlebrooks, 3B | Declared Free Agency |
| 11/2 | Danny Ortiz, RF | Declared Free Agency |
| 11/2 | Jesmuel Valentín, 3B | Declared Free Agency |
| 10/29 | José Bautista, RF | Declared Free Agency |
| 10/29 | Asdrúbal Cabrera, SS | Declared Free Agency |
| 10/29 | Aaron Loup, P | Declared Free Agency |
| 10/29 | Wilson Ramos, C | Declared Free Agency |
| 10/4 | Trevor Plouffe, 3B | Declared Free Agency |
Last updated Apr. 22, 1:09 A.M. ET
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