The MLB Power System Play is on SF.at 9:40 eastern. The Giants fit a perfect system for 2021. Play on division road favorites of 140 or more that are off a home win and scored 5 or more runs vs an opponent that had 1 or no errors in their last game. These road team are winning by over 3 runs per game. The Giants are on a 5-0 run vs rightys on the road and have won 7 of 9 on Mondays and 22 of 30 vs .400 or less teams. Arizona is a terrible 1-8 as a home dog of 120 or more and has dropped 40 of 52 vs rightys. Widener goes for Arizona and he has allowed 10 runs in 7 innings over his last 2 starts. Desclafani has a solid 3.10 Era on the year. Look for the Giants to take the opener.