Garoppolo hurt his ankle early in the game and played through it in the first half. Mostert is dealing with a knee issue.
Both players left to the locker room before the end of the first half.
Garoppolo’s stat line in the first half was 14-for-16 for 131 yards and two touchdowns. Mostert went for 92 yards on eight carries with one touchdown. He also added two catches for 15 yards.