Washington Nationals Transactions - 2012
| MAY | |
| DATE | TRANSACTION |
| May 22, 2012 | Reinstated RHP Chien-Ming Wang from the 15-day DL. Placed RHP Ryan Mattheus on the 15-day DL, retroactive to May 21. |
| May 16, 2012 | Selected the contract of C Carlos Maldonado from Syracuse (IL). Placed C Sandy Leon on the 15-day DL. Transferred C Wilson Ramos from the 15- to the 60-day DL. |
| May 13, 2012 | Placed C Wilson Ramos on the 15-day DL. Selected the contract of C Sandy Leon from Double-A Harrisburg. |
| May 8, 2012 | Activated 3B Ryan Zimmerman from the 15-Day DL. Placed OF Jayson Werth on the 15-Day DL, retroactive to May 7. Agreed to terms with LHP Michael Gonzalez on a minor-league contract. |
| APRIL | |
| DATE | TRANSACTION |
| April 29, 2012 | Recalled 1B-OF Tyler Moore from Syracuse (IL). Placed INF Mark DeRosa on the 15-Day DL, retroactive to April 28. |
| April 28, 2012 | Placed 3B Ryan Zimmerman on the 15-day DL, retroactive to April 21. Recalled Bryce Harper from Syracuse (IL). |
| April 27, 2012 | Recalled RHP Ryan Perry from Syracuse (IL). Placed RHP Brad Lidge on the 15-day DL, retroactive to April 22. |
| April 25, 2012 | Sent OF Brett Carroll outright to Syracuse (IL). |
| April 24, 2012 | Sent OF Brett Carroll outright to Syracuse (IL). |
| April 14, 2012 | Reinstated OF Rick Ankiel from the 15-Day DL. Designated OF Brett Carroll for assignment. |
| April 4, 2012 | Optioned LHP John Lannan to Syracuse (IL). Selected the contracts of OF Brett Carroll, OF Xavier Nady and 1B Chad Tracy from Syracuse. Placed RHP Drew Storen, RHP Chien-Ming Wang, OF Michael Morse on the 15-day DL, retroactive to March 26, OF Rick Ankiel on the 15-day DL, retroactive to March 28; and RHP Cole Kimball and 1B Chris Marrero on the 60-day DL. Released RHP Chad Durbin from his minor league contract. |
| April 1, 2012 | Assigned C Carlos Maldonado to their minor league camp. |
| MARCH | |
| DATE | TRANSACTION |
| March 31, 2012 | Selected the contract of OF Rick Ankiel from Syracuse (IL). |
| March 28, 2012 | PLaced RHP Drew Storen on the 15-day DL. |
| March 18, 2012 | Optioned C Jhonatan Solano, 1B Tyler Moore and OF Bryce Harper to Syracuse (IL). Agreed to terms with OF Xavier Nady on a minor league contract. Assigned INF Mark Teahen to their minor league camp. |
| March 16, 2012 | Agreed to two-year player development contract extensions with Syracuse (IL), Harrisburg (EL), Potomac (Carolina) and the Auburn (NY-Penn) through 2014. |
| March 15, 2012 | Optioned RHP Yunesky Maya to Syracuse (IL) and OF Eury Perez to Harrisburg (EL). Reassigned RHP Jeff Fulchino and RHP Waldis Joaquin to their minor league camp. |
| March 12, 2012 | Optioned LHP Matt Purke and INF Anthony Rendon to Potomac (Carolina) and INF Carlos Rivero to Syracuse (IL). Reassigned RHP Austin Bibens-Dirkx, RHP Rafael Martin, C Sandy Leon, INF Jarrett Hoffpauir, OF Corey Brown and OF Xavier Paul to their minor league camp. |
| March 2, 2012 | Agreed to terms with LHP Ross Detwiler, LHP Atahualpa Severino, RHP Cole Kimball, RHP Ryan Mattheus, RHP Ryan Perry, RHP Henry Rodriguez, RHP Craig Stammen, C Wilson Ramos, C Jhonatan Solano, INF Ian Desmond, INF Danny Espinosa, INF Steve Lombardozzi, INF Chris Marrero, INF Tyler Moore and OF Eury Perez on one-year contracts. Renewed the contracts of RHP Drew Storen and OF Roger Bernadina. |
| FEBRUARY | |
| DATE | TRANSACTION |
| February 27, 2012 | Agreed to terms with 3B Ryan Zimmerman on an eight-year contract. |
| February 19, 2012 | Announced the retirement of OF Mike Cameron. |
| February 6, 2012 | Agreed to terms with OF Rick Ankiel and INF-OF Mark Teahen on minor league contracts. |
| February 2, 2012 | Agreed to terms with RHP Edwin Jackson on one-year contract. |
| February 1, 2012 | Agreed to terms with RHP Chad Durbin on a minor-league contract. |
| JANUARY | |
| DATE | TRANSACTION |
| January 26, 2012 | Agreed to terms with RHP Brad Lidge on a one-year contract. |
| January 20, 2012 | Agreed to terms with OF-1B Michael Morse on a two-year contract. |
| January 17, 2012 | Agreed to terms with RHP Jordan Zimmermann, RHP Tyler Clippard and LHP Tom Gorzelanny on one-year contracts. |
| January 16, 2012 | Agreed to terms with C Jesus Flores on a one-year contract. |
| January 15, 2012 | Agreed to terms with LHP Gio Gonzalez on a five-year contract. |