The 2018 Big Ten football season figures to be exceptional.When the Associated Press Preseason Poll is released, a third of the Top 15 - Ohio State, Wisconsin, Penn State, Michigan and Michigan State - could be from the Big Ten.While a number of factors have already garnered much attention, such as quarterback Shea Patterson being granted immediate eligibility at Michigan, the Wolverines' unusually tough schedule, the typical talent and depth at Ohio State and how MSU, again, is being disrespected, there are numerous elements flying under the radar.