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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 8-2-0 80.0% 20.0% +7.4
Ohio St 4-1-0 80.0% 20.0% +5.7
Indiana 23-14-0 62.2% 37.8% +2.3
Purdue 17-14-2 54.8% 45.2% +3.2
Minnesota 12-11-0 52.2% 47.8% +0.2
Michigan St 15-18-0 45.5% 54.6% 0.0
Northwestern 16-20-2 44.4% 55.6% -3.1
Rutgers 18-23-0 43.9% 56.1% +0.1
Maryland 12-16-0 42.9% 57.1% -0.7
Wisconsin 2-3-0 40.0% 60.0% +0.6
Illinois 12-21-3 36.4% 63.6% -2.6
Nebraska 9-19-0 32.1% 67.9% -4.8
Iowa 6-15-0 28.6% 71.4% -3.4
Penn St 3-8-1 27.3% 72.7% -6.1