What is every Big Ten Conference team's record against the over/under line as an underdog in the 2020-2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 7-3-0 70.0% 30.0% +11.0
Illinois 3-2-0 60.0% 40.0% -1.4
Minnesota 10-7-0 58.8% 41.2% +1.1
Wisconsin 5-4-0 55.6% 44.4% +2.4
Penn St 7-8-0 46.7% 53.3% +1.8
Maryland 7-8-1 46.7% 53.3% -4.0
Northwestern 8-10-0 44.4% 55.6% -3.2
Nebraska 9-12-1 42.9% 57.1% -1.9
Indiana 5-8-0 38.5% 61.5% -3.7
Rutgers 4-7-0 36.4% 63.6% -0.2
Michigan St 4-9-0 30.8% 69.2% -4.3
Purdue 3-8-0 27.3% 72.7% -6.2
Iowa 1-5-0 16.7% 83.3% -6.8