Ryan Zimmerman's eighth career walk-off homer
Reliving Ryan Zimmerman's 11th and final walk-off homer
FBB Roundtable: Most memorable Ryan Zimmerman moments for the Washington Nationals - Federal Baseball
Every Walk-Off Home Run by Ryan Zimmerman
June 18, 2006: The first appearance of Mr. Walk-Off
Relive all 10 of Ryan Zimmerman's walk-off home runs - The Washington Post
jayson werth at Nationals Arm Race
August 19, 2011: Ryan Zimmerman's walk-off grand slam beats Phillies – Society for American Baseball Research
jayson werth at Nationals Arm Race