Washington Nationals

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Washington Nationals' Ryan Zimmerman, left, tosses the ball toward first base during a drill with teammate Mike Carp, right, at a spring training baseball workout, Sunday, March 1, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Yunel Escobar bunts during a spring training baseball workout, Sunday, March 1, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals manager Matt Williams, left, sits in a golf cart as pitchers gather for instruction during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Mike Carp fields a throw to first base during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Bryce Harper takes batting practice during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Bryce Harper, second from left, waits to take batting practice during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Anthony Rendon, left, and teammate Emmanuel Burriss throw the ball during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals right fielder Jayson Werth (28) warms up before Game 2 of baseball's NL Division Series against the San Francisco Giants at Nationals Park, Saturday, Oct. 4, 2014, in Washington. (AP Photo/Patrick Semansky)

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Washington Nationals pitcher Stephen Strasburg tosses the ball in his hand before throwing to teammate Max Scherzer, rear, during a spring training baseball workout, Wednesday, Feb. 25, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Anthony Rendon throws to first base while fielding ground balls during a spring training baseball workout, Sunday, Feb. 22, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals pitcher Casey Janssen thaws the ball during a spring training baseball workout, Sunday, Feb. 22, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals manager Matt Williams, right, talks to fans through a fence during a spring training baseball workout, Sunday, Feb. 22, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals' Anthony Rendon throws to first base while fielding ground balls during a spring training baseball workout, Sunday, Feb. 22, 2015, in Viera, Fla. (AP Photo/David Goldman)

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Washington Nationals pitcher Craig Stammen (35) throws against the San Francisco Giants in a baseball game in San Francisco, Thursday, June 12, 2014. (AP Photo/Jeff Chiu)

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Washington Nationals left fielder Ryan Zimmerman (11) pauses in the dugout before a baseball game against the Miami Marlins at Nationals Park, Sunday, Sept. 28, 2014, in Washington. (AP Photo/Alex Brandon)

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Washington Nationals shortstop Ian Desmond, right, pauses during an MLB baseball workout at Nationals Park, Thursday, Oct. 2, 2014, in Washington. The Washington Nationals play the San Francisco Giants in the National League Division Series starting Friday. (AP Photo/Alex Brandon)