"He's going to miss a few days," Hinch said. "Obviously we'll go through the concussion protocol and make sure he's OK. But he got a pretty nasty backswing on the back of the head. … He'll be assessed for a concussion and likely miss a little bit of time."
Centeno did not have a plate appearance before exiting the game. Max Stassi took over behind the plate and scored the only run for the Astros.
Alex Simon is a reporter for MLB.com based in the Bay Area. Follow him on Twitter at @alexsimon99 This story was not subject to the approval of Major League Baseball or its clubs.