DENVER — Carlos Gonzalez hit a three-run homer to break a scoreless tie in the sixth inning, Chad Bettis threw efficiently into the seventh and the Colorado Rockies beat the Atlanta Braves 7-3 on Thursday night. Gonzalez lined a 97 mph fastball from Mike Foltynewicz (3-4) over the fence in right-center. It was Gonzalez’s 20th homer of the season and first since participating in the All-Star Home Run Derby.