Seattle Mariners v Oakland Athletics

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The Oakland Athletics take batting practice before their game against... News PhotoAmerican League Baseball,Baseball - Sport,Batting,California,Day 1,Horizontal,Match - Sport,Oakland - California,Oakland Athletics,Practicing,Seattle Mariners,Sport,Sports Training,Stadium,USA,o.Co ColiseumPhotographer Collection: Getty Images Sport 2013 Getty ImagesOAKLAND, CA - APRIL 01: The Oakland Athletics take batting practice before their game against the Seattle Mariners Opening Day at O.co Coliseum on April 1, 2013 in Oakland, California. (Photo by Ezra Shaw/Getty Images)