David Montgomery is an avid bowler — and the Chicago Bears running back could become the engine of the offense this season: ‘It’s been fun to be around him’

To be clear, the Bears instituted brief live-tackling periods in camp, and Montgomery showed his ability to turn nothing into something. During one morning practice in early August, he appeared bottled up in a sea of bodies near his goal line. But then he was suddenly out of the fray and exploding into the open field.