"It is about using your bench. It is a day game after a night game and the number of innings played," manager John Farrell said. "He played first base a number of times. We're looking forward to seeing him in our uniform."
It marked Johnson's first start since July 22. He was activated on Thursday from the 15-day disabled list with a strained right groin.
Quinn Roberts is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.