Nationals Roster & Staff
Transactions
| Date | Transaction |
| 01/31/23 | Washington Nationals signed free agent LHP Henry Moreno to a minor league contract. |
| 01/30/23 | Washington Nationals signed free agent LHP Juan Hillman to a minor league contract. |
| 01/28/23 | Washington Nationals signed free agent CF Blake Rutherford to a minor league contract. |
| 01/24/23 | Washington Nationals signed free agent C Jermaine Maricuto to a minor league contract. |
| 01/17/23 | Washington Nationals sent RHP Andres Machado outright to Rochester Red Wings. |
| 01/15/23 | Washington Nationals signed free agent RHP Enyerber Rivero to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Carlos Batista to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent RHP Leuris Portorreal to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent LHP Juan Reyes to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent C Agustin Marcano to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent SS Manuel Cabrera to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Juan Obispo to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Andy Acevedo to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent 2B Eikel Joaquin to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent RHP Jose Feliz to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Elian Soto to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent SS Edwin Solano to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Carlos Tavares to a minor league contract. |
| 01/15/23 | Washington Nationals signed free agent OF Hector Liriano to a minor league contract. |
| 01/10/23 | Washington Nationals activated LF Corey Dickerson. |
| 01/10/23 | Washington Nationals signed free agent LF Corey Dickerson. |
| 01/10/23 | Washington Nationals designated RHP Andres Machado for assignment. |
| 01/10/23 | Washington Nationals traded RHP A.J. Alexy to Minnesota Twins for RHP Cristian Jimenez. |
| 01/10/23 | Washington Nationals traded RHP A.J. Alexy to Minnesota Twins for RHP Cristian Jimenez. |
| 01/09/23 | LHP Francisco Perez roster status changed by Washington Nationals. |
| 01/09/23 | Washington Nationals signed free agent LHP Francisco Perez to a minor league contract and invited him to spring training. |
| 01/06/23 | 2B Michael Chavis roster status changed by Washington Nationals. |
| 01/06/23 | 2B Michael Chavis roster status changed by Washington Nationals. |
| 01/06/23 | Washington Nationals signed free agent 2B Michael Chavis to a minor league contract. |
| 01/05/23 | Washington Nationals sent RHP Reed Garrett outright to Rochester Red Wings. |
| 01/04/23 | Washington Nationals designated RHP A.J. Alexy for assignment. |
| 01/04/23 | Washington Nationals activated 1B Dominic Smith. |
| 01/04/23 | Washington Nationals signed free agent 1B Dominic Smith. |
| 01/03/23 | Washington Nationals signed free agent RHP Joel Peguero to a minor league contract. |
| 01/03/23 | Washington Nationals signed free agent RHP Jesús Liranzo to a minor league contract. |
| 01/03/23 | RHP Joel Peguero roster status changed by Washington Nationals. |