Every team has its weakness. Even a Big Ten monolith like Ohio State, which seems so indestructible from the outside, has a thermal exhaust port hiding somewhere.
The key is being able to exploit it.
The following list considers both 2014 performance and 2015 roster composition. Returning players weighed more heavily than incoming players, but incoming players were obviously considered.
Freshmen cannot be discounted after a season in which J.T. Barrett, Ohio State's first-year quarterback, won Big Ten Offensive Player of the Year and Mikey Dudek, Illinois' first-year receiver, finished No. 3 in the conference in receiving yards.
Sound off below and let us know where you agree/disagree.
Note: All recruiting info refers to the 247Sports composite rankings.