Chicago Cubs pitcher Jake Arrieta lifts his arm during the fifth inning of a baseball game against the San Francisco Giants, Tuesday, May 27, 2014, in San Francisco. (AP Photo/George Nikitin)
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Chicago Cubs pitcher Jake Arrieta lifts his arm during the fifth inning of a baseball game against the San Francisco Giants, Tuesday, May 27, 2014, in San Francisco. (AP Photo/George Nikitin)
