Arizona Diamondbacks pitcher Trevor Cahill throws to the San Francisco Giants during the fourth inning of the Giants' homer-opener baseball game in San Francisco, Tuesday, April 8, 2014. (AP Photo/Jeff Chiu)
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Arizona Diamondbacks pitcher Trevor Cahill throws to the San Francisco Giants during the fourth inning of the Giants' homer-opener baseball game in San Francisco, Tuesday, April 8, 2014. (AP Photo/Jeff Chiu)
