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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 2-1-0 66.7% 33.3% +5.2
Maryland 5-3-0 62.5% 37.5% +4.4
Michigan St 3-2-0 60.0% 40.0% +5.8
Purdue 4-3-0 57.1% 42.9% +5.2
Indiana 5-4-0 55.6% 44.4% -2.0
Minnesota 3-3-0 50.0% 50.0% -0.8
Northwestern 3-4-1 42.9% 57.1% -0.3
Iowa 2-3-0 40.0% 60.0% +0.1
Nebraska 2-3-0 40.0% 60.0% -6.2
Rutgers 2-5-0 28.6% 71.4% -4.5
Penn St 1-4-0 20.0% 80.0% -10.2
Illinois 1-7-1 12.5% 87.5% -10.7