Nationals Roster & Staff
Transactions
| Date | Transaction |
| 03/14/26 | Washington Nationals optioned LHP Mitchell Parker to Rochester Red Wings. |
| 03/14/26 | Washington Nationals optioned LHP Jake Eder to Rochester Red Wings. |
| 03/14/26 | Washington Nationals optioned LHP Andrew Alvarez to Rochester Red Wings. |
| 03/13/26 | C Sir Jamison Jones assigned to Washington Nationals. |
| 03/13/26 | RHP Ryan Minckler assigned to Washington Nationals. |
| 03/13/26 | LHP Alex Clemmey assigned to Washington Nationals. |
| 03/13/26 | RHP Anthony Arguelles assigned to Washington Nationals. |
| 03/13/26 | 2B Manuel Cabrera assigned to Washington Nationals. |
| 03/13/26 | RF Enmanuel Ramirez assigned to Washington Nationals. |
| 03/13/26 | RHP Erick Mejia assigned to Washington Nationals. |
| 03/13/26 | 1B Murphy Stehly assigned to Washington Nationals. |
| 03/12/26 | RHP Luke Johnson assigned to Washington Nationals. |
| 03/11/26 | 3B Luis Arias assigned to Washington Nationals. |
| 03/11/26 | RHP Juan Abreu assigned to Washington Nationals. |
| 03/10/26 | RHP Robert Cranz assigned to Washington Nationals. |
| 03/10/26 | Washington Nationals designated LHP Richard Lovelady for assignment. |
| 03/10/26 | Washington Nationals released RHP James Colyer. |
| 03/10/26 | Washington Nationals signed free agent RHP Zack Littell. |
| 03/10/26 | RF Brenner Cox assigned to Washington Nationals. |
| 03/08/26 | LF Jared McKenzie assigned to Washington Nationals. |
| 03/08/26 | Washington Nationals optioned RHP Luis Perales to Rochester Red Wings. |
| 03/08/26 | Washington Nationals optioned RHP Riley Cornelio to Rochester Red Wings. |
| 03/07/26 | LHP Jared Beck assigned to Washington Nationals. |
| 03/07/26 | SS Gavin Fien assigned to Washington Nationals. |
| 03/07/26 | C Nick Hollifield assigned to Washington Nationals. |
| 03/07/26 | RHP Grant Manning assigned to Washington Nationals. |
| 03/07/26 | RHP Euri Montero assigned to Washington Nationals. |
| 03/06/26 | SS Armando Cruz assigned to Washington Nationals. |
| 03/06/26 | 1B Branden Boissiere assigned to Washington Nationals. |
| 03/05/26 | CF Yeremy Cabrera assigned to Washington Nationals. |
| 03/04/26 | LHP Dustin Saenz assigned to Washington Nationals. |
| 03/04/26 | RHP Jacob Roberts assigned to Washington Nationals. |
| 03/04/26 | RHP Austin Amaral assigned to Washington Nationals. |
| 03/04/26 | LHP Bryant Olson assigned to Washington Nationals. |
| 03/02/26 | C Brady Lindsly roster status changed by Washington Nationals. |
| 03/02/26 | RHP Victor Farias assigned to Washington Nationals. |
| 03/02/26 | RHP Drew Smith assigned to Washington Nationals. |
| 03/02/26 | RHP James Colyer assigned to Washington Nationals. |
| 03/02/26 | RHP Merrick Baldo assigned to Washington Nationals. |
| 03/02/26 | C Brady Lindsly assigned to Washington Nationals. |
| 03/01/26 | C Feldi Tavarez assigned to Washington Nationals. |
| 03/01/26 | LF Nick Peoples assigned to Washington Nationals. |
| 03/01/26 | SS Rafael Ramirez Jr. assigned to Washington Nationals. |