Nationals Roster & Staff
Transactions
| Date | Transaction |
| 01/22/26 | Washington Nationals designated C Riley Adams for assignment. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/22/26 | Washington Nationals claimed RHP Gus Varland off waivers from Arizona Diamondbacks. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/22/26 | Washington Nationals traded LHP MacKenzie Gore to Texas Rangers for 3B Gavin Fien, 1B Abimelec Ortiz, SS Devin Fitz-Gerald, RHP Alejandro Rosario and CF Yeremy Cabrera. |
| 01/20/26 | Washington Nationals designated RHP Andry Lara for assignment. |
| 01/20/26 | Washington Nationals claimed 2B Mickey Gasper off waivers from Minnesota Twins. |
| 01/15/26 | Washington Nationals signed free agent OF Brad Rodriguez to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent OF Jawel Garcia to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent RHP Josue Rondon to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent OF Juan Duran to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent C Carlos Mueses to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent OF Angel Ramirez to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent OF Samil Serrano to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent RHP Aldemaro Sevilla to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent C Pedro Guerra to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent 3B Rayniel Lache to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent RHP Santiago Moreno to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent C Luis Tarifa to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent OF Isaias Suarez to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent SS Euris Acosta to a minor league contract. |
| 01/15/26 | Washington Nationals signed free agent RHP Christopher Navas to a minor league contract. |
| 01/09/26 | Washington Nationals released RHP Sauryn Lao. |
| 01/09/26 | Washington Nationals claimed RHP Paxton Schultz off waivers from Toronto Blue Jays. |
| 01/06/26 | C Drew Millas changed number to 14. |
| 01/05/26 | CF Robert Hassell III changed number to 6. |
| 01/05/26 | Washington Nationals claimed LF Joey Wiemer off waivers from San Francisco Giants. |