Nationals Roster & Staff
Transactions
| Date | Transaction |
| 11/21/15 | Washington Nationals signed free agent 3B Adrian Sanchez to a minor league contract. |
| 11/19/15 | Washington Nationals selected the contract of Spencer Kieboom from Potomac Nationals. |
| 11/19/15 | Washington Nationals signed free agent 3B Scott Sizemore to a minor league contract and invited him to spring training. |
| 11/19/15 | Washington Nationals selected the contract of Chris Bostick from Harrisburg Senators. |
| 11/19/15 | Washington Nationals selected the contract of Nick Lee from Harrisburg Senators. |
| 11/18/15 | Washington Nationals sent RHP David Carpenter outright to Syracuse Chiefs. |
| 11/17/15 | Washington Nationals signed free agent SS Juan Pascal to a minor league contract. |
| 11/17/15 | Washington Nationals signed free agent CF Logan Schafer to a minor league contract and invited him to spring training. |
| 11/15/15 | Washington Nationals signed free agent LHP Sean Burnett to a minor league contract and invited him to spring training. |
| 11/12/15 | Washington Nationals signed free agent RHP Nick Conner to a minor league contract. |
| 11/03/15 | Washington Nationals activated RHP David Carpenter from the 60-day disabled list. |
| 11/03/15 | RHP Casey Janssen elected free agency. |
| 11/03/15 | Washington Nationals activated RHP Aaron Barrett from the 60-day disabled list. |
| 11/03/15 | Washington Nationals activated RHP Craig Stammen from the 60-day disabled list. |
| 11/02/15 | RHP Jordan Zimmermann elected free agency. |
| 11/02/15 | 2B Dan Uggla elected free agency. |
| 11/02/15 | CF Denard Span elected free agency. |
| 11/02/15 | SS Ian Desmond elected free agency. |
| 11/02/15 | RHP Doug Fister elected free agency. |
| 11/02/15 | LF Nate McLouth elected free agency. |
| 11/02/15 | LHP Matt Thornton elected free agency. |