Nationals Roster & Staff
Transactions
| Date | Transaction |
| 03/15/26 | CF Jordan Williams 契約 Washington Nationals. |
| 03/15/26 | SS Marconi German 契約 Washington Nationals. |
| 03/15/26 | C Edgardo Figueroa 契約 Washington Nationals. |
| 03/14/26 | C Kevin Bazzell 契約 Washington Nationals. |
| 03/14/26 | RHP Leodarlyn Colon 契約 Washington Nationals. |
| 03/14/26 | RHP Thomas Schultz 契約 Washington Nationals. |
| 03/14/26 | 1B Jacob Walsh 契約 Washington Nationals. |
| 03/14/26 | IF Eyeksson Rojas 契約 Washington Nationals. |
| 03/14/26 | Washington Nationals オプション付き LHP Jake Eder に Rochester Red Wings. |
| 03/14/26 | New York Mets 主張された LHP Richard Lovelady 権利放棄 から Washington Nationals. |
| 03/14/26 | Washington Nationals オプション付き LHP Andrew Alvarez に Rochester Red Wings. |
| 03/14/26 | Washington Nationals オプション付き LHP Mitchell Parker に Rochester Red Wings. |
| 03/13/26 | RF Enmanuel Ramirez 契約 Washington Nationals. |
| 03/13/26 | 1B Murphy Stehly 契約 Washington Nationals. |
| 03/13/26 | C Sir Jamison Jones 契約 Washington Nationals. |
| 03/13/26 | 2B Manuel Cabrera 契約 Washington Nationals. |
| 03/13/26 | RHP Ryan Minckler 契約 Washington Nationals. |
| 03/13/26 | RHP Anthony Arguelles 契約 Washington Nationals. |
| 03/13/26 | RHP Erick Mejia 契約 Washington Nationals. |
| 03/13/26 | LHP Alex Clemmey 契約 Washington Nationals. |
| 03/12/26 | RHP Luke Johnson 契約 Washington Nationals. |
| 03/11/26 | RHP Juan Abreu 契約 Washington Nationals. |
| 03/11/26 | 3B Luis Arias 契約 Washington Nationals. |
| 03/10/26 | Washington Nationals 指定 LHP Richard Lovelady 契約のため. |
| 03/10/26 | Washington Nationals リリース RHP James Colyer. |
| 03/10/26 | Washington Nationals フリーエージェント選手 RHP Zack Littell. |
| 03/10/26 | RF Brenner Cox 契約 Washington Nationals. |
| 03/10/26 | RHP Robert Cranz 契約 Washington Nationals. |
| 03/08/26 | LF Jared McKenzie 契約 Washington Nationals. |
| 03/08/26 | Washington Nationals オプション付き RHP Luis Perales に Rochester Red Wings. |
| 03/08/26 | Washington Nationals オプション付き RHP Riley Cornelio に Rochester Red Wings. |
| 03/07/26 | RHP Grant Manning 契約 Washington Nationals. |
| 03/07/26 | LHP Jared Beck 契約 Washington Nationals. |
| 03/07/26 | SS Gavin Fien 契約 Washington Nationals. |
| 03/07/26 | C Nick Hollifield 契約 Washington Nationals. |
| 03/07/26 | RHP Euri Montero 契約 Washington Nationals. |
| 03/06/26 | SS Armando Cruz 契約 Washington Nationals. |
| 03/06/26 | 1B Branden Boissiere 契約 Washington Nationals. |
| 03/05/26 | CF Yeremy Cabrera 契約 Washington Nationals. |
| 03/04/26 | RHP Jacob Roberts 契約 Washington Nationals. |
| 03/04/26 | RHP Austin Amaral 契約 Washington Nationals. |
| 03/04/26 | LHP Bryant Olson 契約 Washington Nationals. |
| 03/04/26 | LHP Dustin Saenz 契約 Washington Nationals. |
| 03/02/26 | RHP Merrick Baldo 契約 Washington Nationals. |
| 03/02/26 | RHP Drew Smith 契約 Washington Nationals. |
| 03/02/26 | RHP James Colyer 契約 Washington Nationals. |
| 03/02/26 | RHP Victor Farias 契約 Washington Nationals. |
| 03/02/26 | C Brady Lindsly 契約 Washington Nationals. |
| 03/02/26 | C Brady Lindsly ロスターステータス変更 Washington Nationals. |
| 03/01/26 | SS Rafael Ramirez Jr. 契約 Washington Nationals. |
| 03/01/26 | LF Nick Peoples 契約 Washington Nationals. |
| 03/01/26 | C Feldi Tavarez 契約 Washington Nationals. |