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

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 2-0-0 100.0% 0.0% +4.8
Michigan 1-0-0 100.0% 0.0% +8.5
Indiana 3-1-0 75.0% 25.0% -0.4
Michigan St 4-2-0 66.7% 33.3% +1.8
Rutgers 5-3-0 62.5% 37.5% +6.9
Iowa 1-1-0 50.0% 50.0% +7.8
Illinois 4-4-0 50.0% 50.0% +0.9
Minnesota 2-3-0 40.0% 60.0% -5.0
Maryland 1-3-0 25.0% 75.0% -3.5
Purdue 0-2-0 0.0% 100.0% -4.8
Penn St 0-1-1 0.0% 100.0% -6.3
Nebraska 0-5-0 0.0% 100.0% -6.5
Northwestern 0-2-0 0.0% 100.0% -21.5