Arizona at San Francisco

San Francisco is on a 4-9 run. Giants starter Chris Heston (6-4, 3.77 ERA) is off a no-hitter, so it's a potential down spot. He's been inconsistent all season. He's allowed five or more runs in four of the last seven outings and one total run in the other three starts. In the start prior to the no-hitter, he allowed five runs and seven hits in 3 2/3 innings while losing to Pittsburgh. The Giants are 0-7 at home against a team with a losing road record. They face an Arizona offense that is fourth in baseball in runs scored, eighth in on base percentage. Diamondbacks hard throwing righty Rubby De La Rosa (4-3) has good stuff with the team 5-2 his last seven starts. The Diamondbacks are 9-3 as a road underdog of +110 to +150 and an impressive 5-1 here in San Francisco. Play Arizona.