Seventh heaven: Rox ride big inning to win

Nolan Arenado slugged a three-run home run as part of a four-run seventh inning Tuesday as the Rockies raced past the Tigers at Coors Field. German Marquez struck out 10 over 6 1/3 innings and Carlos Gonzalez knocked in the go-ahead run in the seventh before Arenado hit his 30th homer of the season. Mikie Mahtook had a two-run homer for the Tigers, who tied the score in the seventh before Colorado went on top for good.