Posted by ESPN.com's Adam Rittenberg
Northwestern has released its injury report for Saturday's game at Purdue (Big Ten Network, noon ET).
Offensive tackle Mike Boyle, back
Running back Alex Daniel, ankle (out for season)
Running back Stephen Simmons, ankle
Running back Scott Concannon, head
Linebacker Bryce McNaul, leg
Defensive tackle Jack DiNardo, shoulder
Simmons' continued absence really hurts a rushing attack that hasn't looked the same since he hurt his ankle in Week 2 against Eastern Michigan. True freshman running back Arby Fields has shown bursts of promise, but the coaching staff seems to be more comfortable with sophomore Jacob Schmidt. Cornerback Justan Vaughn is off the injury report, which bolsters the secondary, while getting DiNardo on the field could be big for a struggling defensive line. Linebacker has been another spot plagued by injuries, and McNaul has struggled to stay healthy for much of his career.