Pinch-hitter Geovany Soto's three-run homer capped a four-run 13th inning and sent the Chicago Cubs to a wild 5-2 victory over the San Francisco Giants on Thursday. Soto's drive finished off an eventful day for the Cubs. Starter Carlos Zambrano left in the second inning because of soreness in his lower back, then Aramis Ramirez hit a tying home run in the ninth off San Francisco closer...