Rolder (leg) will miss some time but avoided severe injury, NFL reporter Jordan Schultz reports.
The promising rookie left Friday's practice due to the issue. If Rolder can return before the start of the regular season, he could yet prove he is a reliable depth option at linebacker for the Lions. The recent signing of Devin White makes the competition tougher, but the team is always looking for depth at a position it has been notoriously injury-prone with.