January 09, 2012

Nationals  sign Jefry Rodriguez

April 28, 2012

Nationals  place Ryan Zimmerman on the injured list

May 13, 2012

Nationals  place Wilson Ramos on the injured list

May 30, 2012

Nationals  sign Phillips Valdez

July 13, 2012

Nationals  sign Lucas Giolito

August 03, 2012

Kurt Suzuki traded from Athletics  to Nationals 

August 08, 2012

Nationals  sign Reynaldo Lopez

November 19, 2012

Nationals  sign Fernando Abad