Frost era FBS wins (opponent final record)
2018: Minnesota (7-6), Illinois (4-8), Michigan State (7-6)
2019: South Alabama (2-10), Northern Illinois (5-7), Illinois (6-7), Northwestern (3-9), Maryland (3-9)
2020: Penn State (4-5), Purdue (2-4), Rutgers (3-6)
2021: Buffalo (4-8), Northwestern (3-9)