Chicago Bears running back David Montgomery suffered a knee injury Sunday against the Detroit Lions and will not return.
He had carried the ball 23 times for 106 yards and two touchdowns prior to exiting.
Montgomery, 24, rushed for 4.4 yards per carry as the Bears' top back through their first three games. He's gained 203 total yards and scored one touchdown.
The former Iowa State star has also caught six passes for 49 receiving yards.
Chicago took Montgomery in the third round of the 2019 NFL draft.