Northern Illinois University defensive end Jake Coffman’s fourth-quarter interception sealed the Huskies’ 28-21 win against Central Michigan on Saturday, and helped earn the former Marine the MAC West Defensive Player of the Week award. Coffman, a senior, also had one and a half tackles for a loss and a sack in the victory. Coffman’s interception came on Central Michigan’s final drive of the game. The Broncos had moved the ball deep into Northern Illinois territory, putting themselves in position to tie the game. Coffman ended the threat with his pick at the 12-yard line. At age 26, Coffman is the…