Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
jayson werth at Nationals Arm Race
Mr. Walk-Off' Ryan Zimmerman closing in on history - WTOP News
July 31, 2010: Twice in a month: 'Mr. Walk-Off' Ryan Zimmerman sends Nationals fans home happy – Society for American Baseball Research
Ryan Zimmerman and the Walk-Off Home Run – Society for American Baseball Research
March 30, 2008: Ryan Zimmerman sends D.C. fans home happy with walk-off homer in Nationals Park debut – Society for American Baseball Research
Ryan Zimmerman: Still Mr. Walkoff after all these years, by Nationals Communications
Zimmerman's walk-off lifts Nationals to win: 8/22/18
Mr. National Ryan Zimmerman is retiring after 17-seasons
Relive Ryan Zimmerman's 11 career walk-off home runs
jayson werth at Nationals Arm Race
How Ryan Zimmerman got his 'Mr. Walk-Off' nickname - The Washington Post
Ryan Zimmerman's 11 career walk-off home runs, ranked - The Washington Post
Ryan Zimmerman's eighth career walk-off homer
June 18, 2006: The first appearance of Mr. Walk-Off