49ers running back Carlos Hyde left in the first quarter with a left hip injury. Hyde returned for one play, converting a third down, before leaving again.
The 49ers announced him questionable to return, though he continued to stand on the sideline with his helmet on.
Hyde was off to a fast start with four carries for 29 yards against the Rams after gaining 169 yards on 24 carries in the first two games.
UPDATE 9:09 P.M.: Hyde returned on the 49ers’ first drive of the second quarter.