Transactions
| Date | Player | Transactions |
| 2/15 | Luis Severino, P | Signed ( 2019-2022; Opt 2023)(four-year contract) |
| 1/24 | Adam Ottavino, P | Signed as Free Agent ( 2019-2021)(three-year contract) |
| 1/23 | David Hale, P | Signed to a Minor League Contract |
| 1/21 | Danny Farquhar, P | Signed to a Minor League Contract |
| 1/21 | Shed Long, 2B | Traded Cincinnati (for RHP Sonny Gray, three-player deal) |
| 1/14 | DJ LeMahieu, 2B | Signed as Free Agent ( 2019-2020)(two-year contract) |
| 1/14 | Tim Locastro, CF | Designated for Assignment |
| 1/11 | Dellin Betances, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Sonny Gray, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Didi Gregorius, SS | Signed ( 2019)(avoids arbitration) |
| 1/11 | Aaron Hicks, CF | Signed ( 2019)(avoids arbitration) |
| 1/11 | Tommy Kahnle, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | James Paxton, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Austin Romine, C | Signed ( 2019)(avoids arbitration) |
| 1/10 | Hanser Alberto, SS | Designated for Assignment |
| 1/10 | Greg Bird, 1B | Signed ( 2019)(avoids arbitration) |
| 1/10 | Zack Britton, P | Signed as Free Agent ( 2019-2021; Opt 2022)(three-year contract) |
| 1/10 | Drew Hutchison, P | Signed to a Minor League Contract |
| 1/6 | Billy Burns, CF | Signed to a Minor League Contract |
| 1/4 | A.J. Cole, P | Designated for Assignment |
| 1/4 | Troy Tulowitzki, SS | Signed as Free Agent ( 2019)(one-year contract) |
| 12/21 | Danny Coulombe, P | Signed to a Minor League Contract |
| 12/17 | Parker Bridwell, P | Designated for Assignment |
| 12/17 | Rex Brothers, P | Signed to a Minor League Contract |
| 12/17 | J.A. Happ, P | Signed as Free Agent ( 2019-2020; Opt 2021)(two-year contract) |
| 11/26 | Parker Bridwell, P | Acquired Off Waivers Los Angeles |
| 11/26 | Ronald Torreyes, 2B | Designated for Assignment |
| 11/21 | Tim Locastro, CF | Traded Los Angeles (for RHP Drew Finley & cash) |
| 11/20 | Joe Harvey, P | Purchased From Minors |
| 11/19 | James Paxton, P | Traded Seattle (for LHP Justus Sheffield, 4-player deal) |
| 11/9 | Quintin Berry, LF | Retired |
| 11/9 | Gio Urshela, 3B | Signed to a Minor League Contract |
| 11/8 | Ryan Lavarnway, C | Signed to a Minor League Contract |
| 11/7 | CC Sabathia, P | Signed as Free Agent ( 2019)(one-year contract) |
| 11/2 | Hanser Alberto, SS | Acquired Off Waivers Texas |
| 11/2 | Wilkin Castillo, C | Declared Free Agency |
| 11/2 | Rey Navarro, 2B | Declared Free Agency |
| 11/1 | Jacoby Ellsbury, CF | Removed From 60-Day DL (Right oblique strain) |
| 11/1 | Clint Frazier, LF | Removed From 60-Day DL (Concussion) |
| 11/1 | Ben Heller, P | Removed From 60-Day DL (Right elbow bone spur) |
| 11/1 | Jordan Montgomery, P | Removed From 60-Day DL (Left elbow surgery - out for season) |
| 10/31 | Brett Gardner, LF | Declared Free Agency (team option declined) |
| 10/31 | Brett Gardner, LF | Signed as Free Agent ( 2019)(one-year contract) |
| 10/29 | Zack Britton, P | Declared Free Agency |
| 10/29 | J.A. Happ, P | Declared Free Agency |
| 10/29 | Adeiny Hechavarria, SS | Declared Free Agency |
| 10/29 | Lance Lynn, P | Declared Free Agency |
| 10/29 | Andrew McCutchen, RF | Declared Free Agency |
| 10/29 | David Robertson, P | Declared Free Agency |
| 10/29 | CC Sabathia, P | Declared Free Agency |
| 10/29 | Neil Walker, 2B | Declared Free Agency |
| 10/10 | Shane Robinson, RF | Declared Free Agency |
| 10/8 | Ryan Bollinger, P | Refused Minor League Assignment - Free Agent |
| 10/5 | George Kontos, P | Declared Free Agency |
| 10/1 | Albert Abreu, P | Called Up from Minors - Not to Report |
| 10/1 | Domingo Acevedo, P | Called Up from Minors - Not to Report |
| 10/1 | Thairo Estrada, SS | Called Up from Minors - Not to Report |
Last updated Feb. 19, 1:23 A.M. ET
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