Broncos defensive coordinator Wade Phillips was carted off the field on a backboard after being upended by a San Diego player who was blocked into the Denver sideline.
Chargers running back Melvin Gordon was blocked into the sideline while trying to catch Bradley Roby during an interception return. Gordon upended Phillips, and the back of the 69-year-old coach's head slammed against the ground.
The Broncos later announced that Phillips was taken to the hospital for evaluation.
Players surrounded Phillips, and after about five minutes, he was secured to a backboard, then carted off the field. He pointed his index finger in the air as he was being driven to the locker room.
In last season's playoffs, Steelers receiver Martavis Bryant upended the defensive coordinator, but Phillips popped back up quickly and kept coaching.