Barber rushed for 80 yards and two touchdowns on 16 carries in helping the Cowboys build a 21-7 halftime lead. He also had three catches for 21 yards.
Barber had five carries in the third quarter before leaving the game.
Rookie Felix Jones took over in Barber's absence and punched in an 11-yard TD on his first carry to make it 28-7 in the third quarter.
Copyright 2008 by The Associated Press