Buster Posey twice watched plays he was part of go to replay, first on a three-run homer that held up and then a stolen base. A rare stolen base for San Francisco's catcher, who now has five to move within one of his career high set last season. He matched teammate Denard Span's five stolen bases. "I told Span I'm tied with him now so he needs to step it up," Posey said. Posey's first-inning shot provided a nice early cushion to Ty Blach, who won his second straight start as the Giants beat the Chicago Cubs 6-3 on Tuesday night. read more http://www.espn.com/mlb/recap?gameId=370808126
