Nationals Roster & Staff
Transactions
| Date | Transaction |
| 04/29/14 | Washington Nationals recalled Ryan Mattheus from Syracuse Chiefs. |
| 04/28/14 | Washington Nationals optioned RHP Taylor Jordan to Syracuse Chiefs. |
| 04/27/14 | Washington Nationals sent RHP Doug Fister on a rehab assignment to Potomac Nationals. |
| 04/27/14 | Washington Nationals recalled Steven Souza Jr. from Syracuse Chiefs. |
| 04/27/14 | Washington Nationals placed LF Bryce Harper on the 15-day disabled list retroactive to April 26, 2014. Left thumb sprain. |
| 04/25/14 | Washington Nationals signed free agent RHP Joan Baez to a minor league contract. |
| 04/22/14 | Washington Nationals optioned LHP Xavier Cedeno to Syracuse Chiefs. |
| 04/22/14 | Washington Nationals recalled Aaron Barrett from Syracuse Chiefs. |
| 04/19/14 | Washington Nationals activated CF Denard Span from the 7-day disabled list. |
| 04/19/14 | Washington Nationals optioned RF Steven Souza Jr. to Syracuse Chiefs. |
| 04/18/14 | Washington Nationals recalled Xavier Cedeno from Syracuse Chiefs. |
| 04/18/14 | Washington Nationals optioned RHP Blake Treinen to Syracuse Chiefs. |
| 04/17/14 | Washington Nationals sent OF Denard Span on a rehab assignment to Hagerstown Suns. |
| 04/16/14 | Washington Nationals signed free agent OF Quincy Latimore to a minor league contract. |
| 04/13/14 | Washington Nationals recalled Zach Walters from Syracuse Chiefs. |
| 04/13/14 | Washington Nationals placed 3B Ryan Zimmerman on the 15-day disabled list. Fractured right thumb. |
| 04/12/14 | Jeff Kobernus roster status changed by Washington Nationals. |
| 04/12/14 | Washington Nationals optioned RHP Aaron Barrett to Syracuse Chiefs. |
| 04/12/14 | Washington Nationals placed CF Denard Span on the 7-day disabled list. Concussion. |
| 04/12/14 | Washington Nationals selected the contract of Blake Treinen from Syracuse Chiefs. |
| 04/12/14 | Washington Nationals recalled Steven Souza Jr. from Syracuse Chiefs. |
| 04/10/14 | Washington Nationals signed free agent RHP Paolo Espino to a minor league contract. |
| 04/06/14 | Washington Nationals placed LF Scott Hairston on the 15-day disabled list. Left oblique strain |
| 04/06/14 | Washington Nationals recalled Tyler Moore from Syracuse Chiefs. |
| 04/02/14 | Washington Nationals signed free agent C Brandon Bantz to a minor league contract. |
| 04/02/14 | Washington Nationals placed C Wilson Ramos on the 15-day disabled list retroactive to April 1, 2014. Fractured left hand |
| 04/02/14 | Washington Nationals recalled Sandy Leon from Harrisburg Senators. |