Transactions
| Date | Player | Transactions |
| 5/30 | JB Shuck, CF | Released |
| 5/29 | Merandy Gonzalez, P | Released |
| 5/29 | Mac Williamson, LF | Released |
| 3/26 | Tres Barrera, C | Sent to Minors |
| 3/26 | James Bourque, P | Sent to Minors |
| 3/26 | Erick Fedde, P | Sent to Minors |
| 3/26 | Kyle Finnegan, P | Sent to Minors |
| 3/26 | Adrián Sanchez, 3B | Sent to Minors |
| 3/26 | Andrew Stevenson, LF | Sent to Minors |
| 3/16 | Hunter Strickland, P | Cleared Waivers and Became a Free Agent |
| 3/14 | Aaron Barrett, P | Sent to Minors |
| 3/14 | Ben Braymer, P | Sent to Minors |
| 3/14 | David Hernandez, P | Released |
| 3/14 | Kyle McGowin, P | Sent to Minors |
| 3/14 | Jake Noll, 3B | Sent to Minors |
| 3/14 | Hunter Strickland, P | Released |
| 3/9 | Allen Webster, P | Signed to a Minor League Contract |
| 3/8 | Raudy Read, C | Sent to Minors |
| 2/14 | Jeremy Hellickson, P | Retired |
| 2/12 | JB Shuck, CF | Signed to a Minor League Contract |
| 1/29 | Ryne Harper, P | Traded Minnesota (for RHP Hunter McMahon) |
| 1/28 | Emilio Bonifácio, LF | Signed to a Minor League Contract |
| 1/28 | Ryan Zimmerman, 1B | Signed as Free Agent ( 2020)(one-year contract) |
| 1/27 | Kevin Quackenbush, P | Signed to a Minor League Contract |
| 1/24 | Welington Castillo, C | Signed to a Minor League Contract |
| 1/15 | Mac Williamson, LF | Signed to a Minor League Contract |
| 1/14 | Daniel Hudson, P | Signed as Free Agent ( 2020-2021)(two-year contract) |
| 1/10 | Roenis Elías, P | Signed ( 2020)(avoids arbitration) |
| 1/10 | Joe Ross, P | Signed ( 2020)(avoids arbitration) |
| 1/10 | Trea Turner, SS | Signed ( 2020)(avoids arbitration) |
| 1/9 | Michael A. Taylor, CF | Signed ( 2020)(avoids arbitration) |
| 1/8 | Asdrúbal Cabrera, SS | Signed as Free Agent ( 2020)(one-year contract) |
| 1/8 | Eric Thames, 1B | Signed as Free Agent ( 2020; Opt 2021)(one-year contract) |
| 1/7 | Starlin Castro, 2B | Signed as Free Agent ( 2020-2021)(two-year contract) |
| 1/7 | Merandy Gonzalez, P | Signed to a Minor League Contract |
| 1/7 | Carlos Tocci, CF | Signed to a Minor League Contract |
| 1/3 | Will Harris, P | Signed as Free Agent ( 2020-2022)(three-year contract) |
| 1/3 | David Hernandez, P | Signed to a Minor League Contract |
| 12/18 | Fernando Abad, P | Signed to a Minor League Contract |
| 12/10 | Yan Gomes, C | Signed as Free Agent ( 2020-2021)(two-year contract) |
| 12/10 | Javy Guerra, P | Signed to a Minor League Contract |
| 12/10 | Howie Kendrick, 2B | Signed as Free Agent ( 2020; Opt 2021)(one-year contract) |
| 12/10 | Stephen Strasburg, P | Signed as Free Agent ( 2020-2026)(seven-year contract) |
| 12/7 | Kyle Finnegan, P | Signed as Free Agent ( 2020)(one-year contract) |
| 12/2 | Koda Glover, P | Retired |
| 12/2 | Koda Glover, P | Free Agent - No Contract Offer (non-tendered) |
| 12/2 | Javy Guerra, P | Free Agent - No Contract Offer (non-tendered) |
| 12/2 | Hunter Strickland, P | Signed ( 2020)(avoids arbitration) |
| 12/1 | Wilmer Difo, SS | Signed ( 2020)(avoids arbitration) |
| 11/20 | Ben Braymer, P | Purchased From Minors |
| 11/19 | Gerardo Parra, CF | Signed to Play in Japan (Yomiuri Guants) |
| 11/4 | Jake Buchanan, P | Declared Free Agency |
| 11/4 | Scott Copeland, P | Declared Free Agency |
| 11/4 | Collin Cowgill, RF | Declared Free Agency |
| 11/4 | Koda Glover, P | Removed From 60-Day IL (Strained right forearm) |
| 11/4 | J.J. Hoover, P | Declared Free Agency |
| 11/4 | Josh Lucas, P | Declared Free Agency |
| 11/4 | Kevin McGowan, P | Declared Free Agency |
| 11/4 | Logan Ondrusek, P | Declared Free Agency |
| 11/4 | Anthony Rendon, 3B | Tendered Qualifying Offer (declined) |
| 11/4 | Luis Sardiñas, SS | Declared Free Agency |
| 11/4 | Stephen Strasburg, P | Tendered Qualifying Offer (declined) |
| 11/4 | Austen Williams, P | Removed From 60-Day IL (Sprained AC joint, right shoulder) |
| 11/2 | Sean Doolittle, P | Signed ( 2020)(team option exercised) |
| 11/2 | Adam Eaton, RF | Signed ( 2020)(team option exercised) |
| 11/2 | Yan Gomes, C | Declared Free Agency (team option declined) |
| 11/2 | Stephen Strasburg, P | Declared Free Agency (player opt-out exercised) |
| 11/2 | Ryan Zimmerman, 1B | Declared Free Agency (team option declined) |
| 11/1 | Matt Adams, 1B | Declared Free Agency (team option declined) |
| 10/31 | Asdrúbal Cabrera, SS | Declared Free Agency |
| 10/31 | Brian Dozier, 2B | Declared Free Agency |
| 10/31 | Jeremy Hellickson, P | Declared Free Agency |
| 10/31 | Daniel Hudson, P | Declared Free Agency |
| 10/31 | Howie Kendrick, 2B | Declared Free Agency |
| 10/31 | Gerardo Parra, CF | Declared Free Agency |
| 10/31 | Anthony Rendon, 3B | Declared Free Agency |
| 10/31 | Fernando Rodney, P | Declared Free Agency |
| 10/31 | Jonny Venters, P | Removed From 60-Day IL (Strained left shoulder) |
| 10/31 | Jonny Venters, P | Declared Free Agency |
| 10/22 | Spencer Kieboom, C | Refused Minor League Assignment - Free Agent |
| 10/21 | Spencer Kieboom, C | Removed From 60-Day IL (Right elbow inflammation) |
| 10/21 | Spencer Kieboom, C | Outrighted to Minors |
Last updated Jun. 5, 12:22 P.M. ET
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