Nationals Roster & Staff
Transactions
| Date | Transaction |
| 12/31/24 | Washington Nationals signed free agent RHP Trevor Williams. |
| 12/23/24 | Washington Nationals signed free agent RF Nick Schnell to a minor league contract. |
| 12/22/24 | Texas Rangers traded 1B Nathaniel Lowe to Washington Nationals for LHP Robert Garcia. |
| 12/22/24 | Texas Rangers traded 1B Nathaniel Lowe to Washington Nationals for LHP Robert Garcia. |
| 12/19/24 | LHP DJ Herz changed number to 77. |
| 12/19/24 | Washington Nationals signed free agent RHP Michael Soroka. |
| 12/11/24 | Washington Nationals purchased contract of RHP Evan Reifert from Tampa Bay Rays in the Rule 5 Draft. |
| 12/06/24 | Washington Nationals signed free agent RHP Patrick Weigel to a minor league contract. |
| 12/03/24 | Washington Nationals signed free agent LHP Konnor Pilkington to a minor league contract. |