What is every Big Ten Conference team's record against the over/under line? Includes the 2020-2021 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 5-2-0 71.4% 28.6% +4.7
Michigan 4-2-0 66.7% 33.3% +9.7
Ohio State 4-2-2 66.7% 33.3% +1.4
Rutgers 5-4-0 55.6% 44.4% +5.1
Penn State 4-4-1 50.0% 50.0% +2.1
Illinois 4-4-0 50.0% 50.0% +0.6
Indiana 4-4-0 50.0% 50.0% -9.2
Minnesota 3-4-0 42.9% 57.1% -1.0
Wisconsin 3-4-0 42.9% 57.1% -4.1
Iowa 3-5-0 37.5% 62.5% -0.9
Purdue 2-4-0 33.3% 66.7% -0.2
Northwestern 2-7-0 22.2% 77.8% -6.3
Maryland 1-4-0 20.0% 80.0% -3.2
Nebraska 1-7-0 12.5% 87.5% -6.9