Colorado at San Francisco

This is the end of a seven-game road trip for Colorado as they spiral down the stretch, losing 10 of 15. The offense has really cooled off, tallying 15 runs the last six games. The Rockies are 33-75 away against a team with a winning record. Colorado goes with Jon Gray (4.54 ERA), who has lost four straight road starts 5-2, 6-3, 6-4 and 10-6. Gray suffered his seventh loss of the season Sunday against the Diamondbacks, allowing five runs on seven hits and a walk across seven innings. For the season he is 3-7 on the road with a 4.78 ERA, walking 38 in 79 innings for a terrible ratio. The Rockies are 3-15 in his last 18 road starts. He faces a San Francisco team home from a long trip, with an offense ranked eighth in baseball in on-base percentage. The Giants go with ace Johnny Cueto (17-5, 2.79 ERA), who is 6-2 with a 2.19 ERA in 11 career starts vs. Colorado and has thrived this season, posting a 2-0 mark and 0.77 ERA in three outings by a combined 15-5 run count. The Giants are 22-9 when he starts, including 15-3 against a team with a losing record. Play San Francisco on the runline.