Jordan Zimmermann

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Washington Nationals pitcher Jordan Zimmermann reacts after striking out St. Louis Cardinals' Jon Jay to end the top of the seventh inning of Game 4 of the National League division baseball series on Thursday, Oct. 11, 2012, in Washington. (AP Photo/Alex Brandon)

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Washington Nationals starting pitcher Jordan Zimmermann watches as a solo home run by St. Louis Cardinals' Allen Craig leaves the park during the third inning. (AP Photo/Jeff Roberson)

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Washington Nationals starting pitcher Jordan Zimmermann throws during the second inning in Game 2. (AP Photo/Jeff Roberson)

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Washington Nationals' Ian Desmond, top, slides home past St. Louis Cardinals catcher Yadier Molina, bottom right, to score on a single by Jordan Zimmermann during the second inning of Game 2 in St. Louis. (AP Photo/Charlie Riedel)

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Washington Nationals starting pitcher Jordan Zimmermann, right, adjusts his cap after allowing a single to St. Louis Cardinals' Yadier Molina during the second inning of Game 2. (AP Photo/St. Louis Post-Dispatch, Chris Lee)

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St. Louis Cardinals' Allen Craig, left, rounds the bases after hitting a solo home run off Washington Nationals starting pitcher Jordan Zimmermann during the third inning in Game 2 of baseball's National League division series, Monday, Oct. 8, 2012, in St. Louis. (AP Photo/Jeff Roberson)

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Washington Nationals starting pitcher Jordan Zimmermann throws during the first inning of a baseball game against the St. Louis Cardinals on Saturday, Sept. 29, 2012, in St. Louis. (AP Photo/Jeff Roberson)

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Washington Nationals starting pitcher Jordan Zimmermann throws during the second inning of a baseball game against the Milwaukee Brewers at Nationals Park, Monday, Sept. 24, 2012, in Washington. (AP Photo/Alex Brandon)

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Washington Nationals starting pitcher Jordan Zimmermann (27) goes 4 1/3 innings, allowing two runs on seven hits with two strikeouts and two walks, Wednesday, Sept. 19, 2012, in Washington, DC. (Craig Bisacre/The Washington Times)

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Washington Nationals starting pitcher Jordan Zimmermann (27) goes 4 1/3 innings, allowing two runs on seven hits with two strikeouts and two walks, Wednesday, Sept. 19, 2012, in Washington, DC. (Craig Bisacre/The Washington Times)

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Washington Nationals pitcher Jordan Zimmermann delivers a pitch Aug. 20, 2012, in the first inning of the Nationals' game against the Atlanta Braves at Nationals Park in Washington, D.C. (Rod Lamkey Jr./The Washington Times)

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Washington Nationals pitcher Jordan Zimmermann works against the San Francisco Giants in the first inning of a baseball game Tuesday, Aug. 14, 2012, in San Francisco. (AP Photo/Ben Margot)

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Washington Nationals' Jordan Zimmermann delivers a pitch against the Houston Astros in the first inning of a baseball game Thursday, Aug. 9, 2012, in Houston. (AP Photo/Pat Sullivan)

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Washington Nationals' Jordan Zimmermann pitches against the Milwaukee Brewers during the first inning of a baseball game Saturday, July 28, 2012, in Milwaukee. (AP Photo/Jim Prisching)