Nationals Roster & Staff
Transactions
| Date | Transaction |
| 06/25/25 | Washington Nationals sent RHP Derek Law on a rehab assignment to Rochester Red Wings. |
| 06/25/25 | Washington Nationals signed free agent RHP Hulio Chivilli to a minor league contract. |
| 06/24/25 | Washington Nationals placed C Keibert Ruiz on the 10-day injured list. Head contusion. |
| 06/24/25 | Washington Nationals recalled C Drew Millas from Rochester Red Wings. |
| 06/19/25 | Washington Nationals sent RHP Derek Law on a rehab assignment to Harrisburg Senators. |
| 06/19/25 | Washington Nationals sent RHP Derek Law on a rehab assignment to Harrisburg Senators. |
| 06/18/25 | Washington Nationals sent RHP Mason Thompson on a rehab assignment to Harrisburg Senators. |
| 06/18/25 | Washington Nationals sent 1B Juan Yepez outright to Rochester Red Wings. |
| 06/18/25 | Washington Nationals sent 1B Juan Yepez outright to Rochester Red Wings. |
| 06/17/25 | Washington Nationals sent 3B Paul DeJong on a rehab assignment to Harrisburg Senators. |
| 06/16/25 | Washington Nationals designated 1B Juan Yepez for assignment. |
| 06/16/25 | Washington Nationals recalled RF Daylen Lile from Rochester Red Wings. |
| 06/16/25 | Washington Nationals selected the contract of 3B Brady House from Rochester Red Wings. |
| 06/16/25 | Washington Nationals optioned CF Robert Hassell III to Rochester Red Wings. |
| 06/16/25 | Washington Nationals optioned 3B José Tena to Rochester Red Wings. |
| 06/14/25 | Washington Nationals placed LHP Andrew Chafin on the 15-day injured list retroactive to June 11, 2025. Right hamstring strain. |
| 06/14/25 | Washington Nationals sent RHP Mason Thompson on a rehab assignment to FCL Nationals. |
| 06/14/25 | Washington Nationals recalled RHP Ryan Loutos from Rochester Red Wings. |
| 06/13/25 | Washington Nationals signed free agent RHP Greider Colina to a minor league contract. |
| 06/10/25 | Washington Nationals claimed RHP Ryan Loutos off waivers from Los Angeles Dodgers. |
| 06/10/25 | Washington Nationals recalled 1B Andrés Chaparro from Rochester Red Wings. |
| 06/10/25 | Washington Nationals optioned SS Nasim Nuñez to Rochester Red Wings. |
| 06/09/25 | Washington Nationals optioned SS Nasim Nuñez to Rochester Red Wings. |
| 06/06/25 | Washington Nationals activated CF Jacob Young from the 10-day injured list. |
| 06/06/25 | Washington Nationals optioned RF Daylen Lile to Rochester Red Wings. |
| 06/03/25 | Washington Nationals sent CF Jacob Young on a rehab assignment to Harrisburg Senators. |
| 06/03/25 | Washington Nationals sent CF Jacob Young on a rehab assignment to Harrisburg Senators. |
| 06/02/25 | Washington Nationals released RHP Jorge López. |