Aug 23, 9:44 PM EDT

Nova, Polanco lead Pirates to 7-1 victory over Astros

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AP Photo/Fred Vuich

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PITTSBURGH (AP) -- Ivan Nova took a shutout into the ninth inning and finished with a six-hitter while Gregory Polanco hit two home runs to lead the Pittsburgh Pirates to a 7-1 victory over the Houston Astros on Tuesday night.

Nova (10-6) struck out six, walked one and threw 69 of his 98 pitches for strikes while improving to 3-0 in four starts since being acquired from the New York Yankees in an Aug. 1 trade.

It was the fourth complete game of the right-hander's seven-year career with the others coming in 2013.

His bid for his third career shutout ended when Alex Bregman and Jose Altuve led off the ninth with consecutive doubles.

After the Pirates scored four runs in the first inning, Polanco hit solo shots in the third and fifth off Joe Musgrove and Tony Sipp to extend the lead to 6-0 and raise his season total to a team-high 19 homers.

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