March 30, 2008: Ryan Zimmerman sends D.C. fans home happy with walk-off homer in Nationals Park debut – Society for American Baseball Research
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
Game #100 Ryan Zimmerman is in the house!
July 4, 2006: Nationals' Ryan Zimmerman provides the walk-off fireworks – Society for American Baseball Research
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Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
Nationals' Ryan Zimmerman now all-time home run leader in D.C. baseball history, passing Senators' Frank Howard - Federal Baseball
Ryan Zimmerman weekend at Nationals Park: Schedule of ceremony
Nationals 8-6 over Yankees on Ryan Zimmerman walk-off home run - Federal Baseball
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Nationals' Ryan Zimmerman now all-time home run leader in D.C. baseball history, passing Senators' Frank Howard - Federal Baseball