Pittsburgh Pirates' Pedro Alvarez, right, hits a two-run home run in the fourth inning of a baseball game against the Chicago Cubs, Saturday, June 8, 2013, in Chicago, Ill. (AP photo/Joe Raymond) CHICAGO (AP) — A.J. Burnett pitched into the ninth inning and Pedro Alvarez and Russell Martin homered to lead the Pittsburgh Pirates to a 6-2 win over the Chicago Cubs on Saturday.
