The A's were patient in their approach, gradually blowing the game open in a 13-1 win over the Astros in the series finale on Thursday afternoon.
Brad Peacock's most recent start did not help his cause for staying in the Astros' rotation with Collin McHugh set to return.
Marwin Gonzalez was taken out of Wednesday night's game because of a nagging hamstring injury that Bo Porter was hoping to get rested.
The A's jumped on Brad Peacock early and often, then had to hang on to beat the Astros on Wednesday night 9-7. Yoenis Cespedes hit two home runs and had five RBI for the winning Athletics.