Chicago Bears news: Running back David Montgomery reportedly out 4-5 weeks and a trade is made for returner Jakeem Grant. Here’s what it all means.

Chicago Bears running back David Montgomery is expected to miss 4-5 weeks with a sprained left knee, ESPN reported Tuesday. The Bears were hoping the injury Montgomery suffered Sunday during the 24-14 victory over the Detroit Lions wouldn’t be season-ending, and that should be the case. The Bears could put Montgomery on injured reserve, which would require him to miss just three games this …