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PHOENIX, AZ - JUNE 18: David Hernandez #30 of the Arizona Diamondbacks delivers a pitch against the Miami Marlins at Chase Field on June 18, 2013 in Phoenix, Arizona. Arizona won 3-2. (Photo by Norm Hall/Getty Images)
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St. Louis Cardinals starting pitcher Adam Wainwright, left, watches as a solo home run by Chicago Cubs' Cody Ransom, right, clears the left field wall during the first inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)
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Chicago Cubs' Ryan Sweeney hits a two-run home run during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)
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Arizona Cardinals third round draft pick Tyrann Mathieu throws out the first pitch prior to an Arizona Diamondbacks and Miami Marlins baseball game, Tuesday, June 18, 2013, in Phoenix. (AP Photo/Matt York)
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Chicago Cubs' Alfonso Soriano hits an RBI-double during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)
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Chicago Cubs starting pitcher Jeff Samardzija throws during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)
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CINCINNATI, OH - JUNE 18: Starling Marte #6 of the Pittsburgh Pirates beats the throw to Brandon Phillips #4 of the Cincinnati Reds for a stolen base at second base in the seventh inning at Great American Ball Park on June 18, 2013 in Cincinnati, Ohio. Pittsburgh blanked Cincinnati 4-0. (Photo by Jamie Sabau/Getty Images)
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Los Angeles Dodgers manager Don Mattingly responds to questions during a news conference before a baseball game against the New York Yankees Tuesday, June 18, 2013, in New York. (AP Photo/Frank Franklin II)