Jordan Zimmermann (Washington Nationals) Success - 2012年3月4日 On 9-21-11, I sent a LOR, SASE, and baseball card to Jordan Zimmermann at :
Jordan Zimmermann
C/O Washington Nationals
Nationals Park
1500 South Capitol Street, Southeast
Washington, DC 20003-1507
On 3-3-12, I received my baseball card back autographed.