Arizona Diamondbacks

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Philadelphia Phillies' Roberto Hernandez throws a pitch against the Arizona Diamondbacks during the first inning of a baseball game on Friday, April 25, 2014, in Phoenix. (AP Photo/Ross D. Franklin)

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Arizona Diamondbacks fan Roberta Alvarez, of Casa Grande, Ariz., participates a zombie walk on Zombie Night at Chase Field prior to a baseball game between the Philadelphia Phillies and the Diamondbacks on Friday, April 25, 2014, in Phoenix. (AP Photo/Ross D. Franklin) ** FILE **

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Arizona Diamondbacks' Aaron Hill, top, jumps over Philadelphia Phillies' Jimmy Rollins (11) after Hill forced out Rollins at second base during the fourth inning of a baseball game on Friday, April 25, 2014, in Phoenix. (AP Photo/Ross D. Franklin)

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Arizona Diamondbacks' Josh Collmenter throws a pitch against the Philadelphia Phillies during the first inning of a baseball game on Friday, April 25, 2014, in Phoenix. (AP Photo/Ross D. Franklin)

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Arizona Diamondbacks' Aaron Hill, right, gets a high-five from teammate A.J. Pollock, second from right, after Hill hit a 2-run home run, as Philadelphia Phillies' Carlos Ruiz, left, looks away during the fourth inning of a baseball game on Friday, April 25, 2014, in Phoenix. (AP Photo/Ross D. Franklin)

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Chicago Cubs' Emilio Bonifacio, right, scores past Arizona Diamondbacks catcher Miguel Montero during the first inning of a baseball game in Chicago, Thursday, April 24, 2014. (AP Photo/Nam Y. Huh)

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Chicago Cubs' Anthony Rizzo, right, celebrates with third base coach Gary Jones after hitting a solo home run during the eighth inning of a baseball game against the Arizona Diamondbacks in Chicago, Thursday, April 24, 2014. (AP Photo/Nam Y. Huh)