"It is obviously not in my hands, but I feel good about myself and the way I played, the preseason I had and the game I had," Renfree said.
Coleman ran for 56 yards on eight carries and could open the season as the starter.
Grossman, 35, who signed with Atlanta last week to compete with Renfree and T.J. Yates, was 4 of 9 for 41 yards. Yates did not play.
Devonta Freeman, Atlanta's starting running back when training camp opened, missed all four preseason games with a hamstring injury.
Copyright 2015 by The Associated Press