Roster y Personal de los Nationals
Transacciones
| Fecha | Transacción |
| 03/10/26 | Washington Nationals designado LHP Richard Lovelady para la asignación. |
| 03/10/26 | Washington Nationals agente libre firmado RHP Zack Littell. |
| 03/10/26 | RHP Robert Cranz asignado a Washington Nationals. |
| 03/10/26 | RF Brenner Cox asignado a Washington Nationals. |
| 03/08/26 | LF Jared McKenzie asignado a Washington Nationals. |
| 03/08/26 | Washington Nationals opcionado RHP Luis Perales a Rochester Red Wings. |
| 03/08/26 | Washington Nationals opcionado RHP Riley Cornelio a Rochester Red Wings. |
| 03/07/26 | SS Gavin Fien asignado a Washington Nationals. |
| 03/07/26 | LHP Jared Beck asignado a Washington Nationals. |
| 03/07/26 | C Nick Hollifield asignado a Washington Nationals. |
| 03/07/26 | RHP Grant Manning asignado a Washington Nationals. |
| 03/07/26 | RHP Euri Montero asignado a Washington Nationals. |
| 03/06/26 | SS Armando Cruz asignado a Washington Nationals. |
| 03/06/26 | 1B Branden Boissiere asignado a Washington Nationals. |
| 03/05/26 | CF Yeremy Cabrera asignado a Washington Nationals. |
| 03/04/26 | LHP Dustin Saenz asignado a Washington Nationals. |
| 03/04/26 | RHP Austin Amaral asignado a Washington Nationals. |
| 03/04/26 | RHP Jacob Roberts asignado a Washington Nationals. |
| 03/04/26 | LHP Bryant Olson asignado a Washington Nationals. |
| 03/02/26 | C Brady Lindsly asignado a Washington Nationals. |
| 03/02/26 | RHP Merrick Baldo asignado a Washington Nationals. |
| 03/02/26 | RHP Drew Smith asignado a Washington Nationals. |
| 03/02/26 | RHP James Colyer asignado a Washington Nationals. |
| 03/02/26 | RHP Victor Farias asignado a Washington Nationals. |
| 03/01/26 | LF Nick Peoples asignado a Washington Nationals. |
| 03/01/26 | SS Rafael Ramirez Jr. asignado a Washington Nationals. |
| 03/01/26 | C Feldi Tavarez asignado a Washington Nationals. |