HOUSTON, May 17 (UPI) -- Roy Oswalt pitched eight scoreless innings Tuesday to lead the Houston Astros to a 3-0 victory over the Arizona Diamondbacks.
Jose Vizcaino had two RBI and Adam Everett added another as the Astros got their third straight win. It was Houston's first back-to-back shutouts since last June.
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Oswalt (5-4), 4-0 in four career starts against the Diamondbacks, allowed five hits and struck out eight while walking just one.
Arizona's Javier Vazquez (4-3) pitched seven innings of one-run ball. The righthander, who lost for the first time in his last six starts, gave up seven hits and no walks.
