What is every Big Ten Conference team's record against the over/under line as an underdog in the 2019-2020 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 1-0-0 100.0% 0.0% +6.0
Maryland 5-2-0 71.4% 28.6% +5.5
Michigan 8-4-0 66.7% 33.3% -1.3
Northwestern 14-10-1 58.3% 41.7% +3.1
Nebraska 13-10-0 56.5% 43.5% +2.4
Penn St 5-4-0 55.6% 44.4% +9.6
Iowa 7-6-0 53.9% 46.2% +3.8
Rutgers 6-6-0 50.0% 50.0% -1.3
Ohio St 3-3-0 50.0% 50.0% -1.8
Purdue 6-6-0 50.0% 50.0% -1.9
Illinois 5-6-0 45.5% 54.6% -3.7
Minnesota 7-9-0 43.8% 56.3% -0.9
Wisconsin 4-9-1 30.8% 69.2% -1.4
Indiana 1-8-1 11.1% 88.9% -10.7