Oct 4, 2015 2:10 AM by Associated Press
SEATTLE (AP) - Marcus Semien hit a two-run homer in the 13th inning to lift the Oakland Athletics to a 7-5 victory over the Seattle Mariners on Saturday night.
Semien's 15th home run gave the Athletics their first three-game winning streak in more than a month after Tom Wilhelmsen blew a save opportunity in the ninth inning for the Mariners.
J.C. Ramirez (0-1) pitched a perfect 12th inning before running into trouble in the 13th, giving up a leadoff single to Stephen Voght and then Semien's homer.
Pat Venditte (2-2) entered in the 10th and pitched three scoreless innings for the Athletics. Felix Doubront worked the 13th for his first save.
Robinson Cano had a three-run homer and extended his hitting streak to 15 games for the Mariners.
Oakland's Danny Valencia homered for the second straight game.
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