Capuano (7-1) turned in his eighth start in nine outings in which he's held the opposition to two runs or less. The left-hander yielded one run, walked two and struck out eight in a dominating performance.
Jerry Hairston Jr. went 5-for-5 with an RBI while Matt Treanor added two hits with a solo homer for the National League East-leading Dodgers, who took the rubber match of their three-game series and improved to a major league best 32-15.
Astros starter J.A. Happ (4-4) struck out 10 over 6 1/3 innings but still absorbed the loss, allowing three runs (two earned) on nine hits over 6 1/3 innings.
Jed Lowrie provided Houston's only RBI.
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