The MLB Power Play is on the Chicago Cubs. Game 955 at 10:15 eastern.The Cubs are 20-2 SU in game one series off a home game when their opponents starter has an ERA of higher than 3.50 on the season in the second half of the year. They also fit a huge 100% system where they average win score is 8-2. We are playing on road favorites at -140 or higher that are off a -140 or higher home favored loss by 5 or more runs vs an opponent like the Giants that played at home. Chicago is off a home blowout loss but should rebound nicely here as most road favorites have. Chicago averages over 6 runs vs leftys and are on an 11-1 road run and 4-0 off a 5+ run loss. Arrieta is on the mound and he is 11-1 in August starts. He has a solid 1.97 era vs SF and is 4-0 as a road favorite of late. M. Moore for SF has a 5.71 era in his last 3 starts and is 0-3 as a home dog and 1-4 in his last 5 home August starts. Look for the Cubs to take the opener,