(Anaheim, CA) -- Matt Olson blasted his 28th homer as the Athletics beat the Angels 8-3 in Anaheim. Olson kicked off a five-run third with his three-run bomb. Yan Gomes also homered in the inning, breaking a 3-3 tie. Daulton Jefferies got his first major league win, allowing three runs over five frames. Oakland has won four of its last five. Max Stassi hit a two-run homer for Los Angeles, which has lost three of its last four. Reid Detmers was charged his first loss, surrendering six runs in his big league debut