Seattle Mariners v Oakland Athletics - Game Two

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Home plate umpire Dana DeMuth works game two of a doubleheader... News PhotoAmerican League Baseball,Baseball - Sport,California,Doubleheader,Game Two,Home Base,Major League Baseball,Oakland - California,Oakland Athletics,Referee,Seattle Mariners,Sport,Stadium,USA,Vertical,Working,o.Co ColiseumPhotographer Collection: Getty Images Sport 2014 Brad ManginOAKLAND, CA - MAY 7: Home plate umpire Dana DeMuth works game two of a doubleheader between the Seattle Mariners and Oakland Athletics at O.co Coliseum on Wednesday, May 7, 2014 in Oakland, California. (Photo by Brad Mangin/MLB Photos via Getty Images)