MLB: Chicago Cubs 3, Houston 0

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CHICAGO, July 1 (UPI) -- Travis Wood and two relievers combined for a four-hit shutout Sunday and the Chicago Cubs blanked Houston 3-0 for a three-game series sweep.

Wood (3-3) retired the first 12 Houston batters before allowing a J.D. Martinez single to begin the fifth. The left-hander ended up allowing three hits, didn't issue a walk and struck out four.

Wood turned in his third consecutive strong start, yielding only one run on 12 hits over 20 2/3 innings during the span.

Shawn Camp got the final out of the eighth inning and Carlos Marmol pitched a scoreless ninth for his eighth save as the Cubs won for the fifth time in six games overall.

Jeff Baker delivered a two-run double and Anthony Rizzo added a run-scoring single to supply Chicago's offense.

Astros starter Wandy Rodriguez (6-6) absorbed the loss, yielding three runs on five hits over seven innings.