Montgomery leads the Bears with 472 yards rushing this season and also has two rushing touchdowns. He also has 30 receptions for 212 yards and a touchdown.
He left the Sunday's game in the fourth quarter after gaining 30 yards on 14 carries. He also lost a fumble on a screen pass that was returned for a touchdown by Titans cornerback Desmond King.
Ryan Nall replaced Montgomery in Sunday's game and had four catches for 35 yards and a touchdown in the fourth quarter. The team also has used Cordarrelle Patterson in the backfield and has veteran running back Lamar Miller on its practice squad.