Mostert capped off a seven-play, 79-yard drive with a 22-yard run into the end zone. The 49ers are now less than 20 minutes away from securing a trip to Miami to face the Kansas City Chiefs in Super Bowl LIV.
Mostert has 196 rushing yards on 19 carries (10.3 yards per carry) with four touchdowns. The rushing yard total is a franchise playoff record.