What is every Big Ten Conference team's record against the over/under line as an underdog in the 2018-2019 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 2-1-0 66.7% 33.3% -5.2
Nebraska 8-5-0 61.5% 38.5% +4.4
Iowa 10-7-0 58.8% 41.2% +6.2
Indiana 8-7-0 53.3% 46.7% -0.5
Rutgers 11-10-1 52.4% 47.6% +3.5
Ohio St 8-8-0 50.0% 50.0% -2.3
Purdue 3-3-0 50.0% 50.0% +13.7
Penn St 8-9-0 47.1% 52.9% +0.8
Michigan St 2-3-0 40.0% 60.0% +1.7
Northwestern 5-8-0 38.5% 61.5% -1.1
Illinois 7-12-1 36.8% 63.2% -3.7
Maryland 3-8-0 27.3% 72.7% -9.7
Minnesota 5-14-1 26.3% 73.7% -6.3
Wisconsin 2-7-0 22.2% 77.8% -7.2