As a result , Ohio State played all five Leaders Division opponents : Illinois , Indiana , Penn State , Purdue and Wisconsin .
As during the 2011 season , the Big Ten continued their scheduling alignment for the 2012 season .
Ohio State played all five Big Ten   opponents : Illinois , Indiana , Penn State , Purdue and Wisconsin .
As during the 2011 season , the Big Ten continued their scheduling alignment for the 2012 season .