March 30, 2008: Ryan Zimmerman sends D.C. fans home happy with walk-off homer in Nationals Park debut – Society for American Baseball Research
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Ryan Zimmerman's 11 career walk-off home runs, ranked - The Washington Post
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
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The Washington Nationals' Ryan Zimmerman is 36, but he's hitting and running the bases like a kid - Federal Baseball
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Ryan Zimmerman gets first World Series homer in Nationals history - The Washington Post
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Zimmerman's walk-off homer in first game at Nationals Park
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
Ryan Zimmerman's top 10 career moments
Ryan Zimmerman gets first World Series homer in Nationals history - The Washington Post