Karstens allowed no runs in 6-2/3 innings.

The Pirates moved back up to .500 with a nail biting, 1-0 victory over Houston. Jeff Karstens played the hero by tossing 6-2/3 innings of shutout baseball, dropping his ERA to less than 3.00. The offense was still problematic, but four relievers combined to keep Houston off the scoreboard.

Bud Norris was also strong for Houston. The lone score came in the second. Neil Walker singled and advanced to second on a wild pitch. Garrett Jones singled him in. Pittsburgh had a couple of other opportunities bud didn't cash in. Andrew McCutchen and Neil Walker started the sixth with singles. But Norris whiffed Jones and Lyle Overbay. He retired Michael McKenry without allowing any damage. In the eighth, McCutchen walked, stole second and advanced to th...

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