Griffin attended Grossmont High School. He was named the pitcher and player of the year in his league during the 2006 season. Grossmont won the league championship. He was drafted by the Philadelphia Phillies in the 34th round in 2009, but he did not sign with the Phillies.\n', '

Griffin was drafted by the Oakland Athletics in the 13th round of the 2010 Major League Baseball Draft out of the University of San Diego, where he played college baseball for the Toreros from 2007–2010.\n', '

Griffin made his major league debut on June 24, 2012 against the San Francisco Giants. He went 6 innings giving up 2 runs on 3 hits, striking out 4 and walking 1 in a no-decision.\n', "

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