Washington Nationals

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Washington Nationals General Manager Mike Rizo before the Washington Nationals play the St. Louis Cardinals in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals starting pitcher Ross Detwiler (48) takes the field for Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Preston Keres/Special to The Washington Times)

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Washington Nationals third baseman Ryan Zimmerman (11) strikes out to end the bottom of the first inning during Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals left fielder Michael Morse (38) strikes out to end the fourth inning of Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals second baseman Danny Espinosa (8) throws to first after missing a force play at second base in Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Fans cheer as Washington Nationals relief pitcher Tyler Clippard (36) reacts after striking out the side in the eight inning of Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals starting pitcher Jordan Zimmermann (27) strikes out the side in the seventh inning during Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals starting pitcher Jordan Zimmermann (27) strikes out the side in the seventh inning during Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) hits a solo walk-off home run in the bottom of the ninth-inning to give the Nats a 2-1 win in Game 4 of the National League Division Series, and pull them even, 2-2, in the series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012.(Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) hits a solo walk-off home run in the bottom of the ninth-inning to give the Nats a 2-1 win in Game 4 of the National League Division Series, and pull them even, 2-2, in the series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals players go nuts as right fielder Jayson Werth (28) rounds with a ninth-inning walk-off home run to give the Nats a 2-1 win in Game 4 of the National League Division Series, evening the series at 2-2, between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Preston Keres/Special to The Washington Times)

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Fans battle for Jayson Werth's batting glove after the outfielder hit a solo walk off home run in the ninth inning to give the Nationals a 2-1 win in Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Craig Bisacre/The Washington Times)

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Washington Nationals starting pitcher Jordan Zimmermann (27) strikes out the side in the seventh inning during Game 4 of the National League Division Series between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Preston Keres/Special to The Washington Times)

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Fans celebrate as Washington Nationals right fielder Jayson Werth (28) hits a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) celebrates with teammates after hitting a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) celebrates with teammates after hitting a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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**FILE** Washington Nationals third baseman Ryan Zimmerman (11), center, and his teammates celebrate as Jayson Werth (28) hits a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) jumps for joy before he crosses the plate with a ninth-inning walk-off home run to give the Nats a 2-1 win in Game 4 of the National League Division Series, evening the series at 2-2, between the Washington Nationals and the St. Louis Cardinals at Nationals Park, Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) hits a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)

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Washington Nationals right fielder Jayson Werth (28) hits a walk off home run in the bottom of the ninth inning to beat the St. Louis Cardinals 2-1 in game four of the National League Division Series at Nationals Park, Washington, D.C., Thursday, October 11, 2012. (Andrew Harnik/The Washington Times)