PITTSBURGH, May 25 (UPI) -- Jason Bay singled home a run with two outs in the 11th inning Sunday, giving the Pittsburgh Pirates a 6-5 win over the Chicago Cubs.
Bay's drive down the left field line scored Chris Gomez, who had singled and advanced on a sacrifice bunt.
Luis Rivas socked two home runs and Xavier Nady hit another for the Pirates, who took two of three from the Cubs.
Alfonso Soriano hit a two-run homer and Aramis Ramirez added two RBI for the Cubs, losers of four of their last five games.
Damaso Marte (4-0) pitched a scoreless 11th inning for the win. Jon Lieber (2-3) took the loss.