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Oakland, CA (Sports Network) - Wei-Yin Chen was brilliant over eight scoreless innings to lead the Baltimore Orioles to a 3-0 win over the Oakland Athletics in the second test of a four-game set at The Coliseum.

Chen (2-2) scattered two hits and two walks while striking out five to earn his second straight win. Jim Johnson then stranded a runner in the ninth to pick up his AL-leading ninth save. He is now tied with Pittsburgh closer Jason Grilli for the most saves in the majors.

Steve Pearce, Nate McLouth and Nick Markakis each drove in a run for the Orioles, winners in seven of their last nine games.

Oakland starter Tommy Milone (3-2) allowed just one unearned run over 6 2/3 innings to absorb the loss. He allowed six hits and struck out five in his second setback in as many starts.