Nolan Arenado hit a go-ahead three run home run and Corey Dickerson followed with his second homer of the game, leading the Colorado Rockies past the San Francisco Giants 9-2 on Wednesday. Christian Bergman (2-2) pitched six sharp innings, limiting the Giants to two runs on nine hits and helping the Rockies take the season series 10-9. It was the first time Colorado had won the season series with its NL West rival since going 11-7 against the Giants in 2008. Ryan Vogelsong (8-10) was roughed up for a career-high four home runs among 10 hits allowed in five-plus innings.