When Purdue plays their opener at Notre Dame Saturday, they'll do so with a ton of questions about their running game, offensive line, and secondary. The Boilers are no doubt confident in their passing game. This is Purdue, the school that gave us "basketball on grass" after all. But the strength of the team is probably the defensive line, led by senior defensive end Ryan … [Read more...] about Ryan Kerrigan needs to be Purdue’s rock on Defense