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OAKLAND, CA - MAY 04: Sean Manaea #55 of the Oakland Athletics pitches against the Seattle Mariners during the fifth inning at the Oakland Coliseum on May 4, 2016 in Oakland, California. The Seattle Mariners defeated the Oakland Athletics 9-8. (Photo by Jason O. Watson/Getty Images)

OAKLAND, CA - MAY 04: Sean Manaea #55 of the Oakland Athletics pitches against the Seattle Mariners during the fifth inning at the Oakland Coliseum on May 4, 2016 in Oakland, California. The Seattle Mariners defeated the Oakland Athletics 9-8. (Photo by Jason O. Watson/Getty Images)