What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2020-2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Illinois 10-5-0 66.7% 33.3% +5.6
Wisconsin 17-10-0 63.0% 37.0% +6.3
Ohio St 16-11-0 59.3% 40.7% +3.3
Nebraska 25-18-0 58.1% 41.9% +1.9
Minnesota 23-17-1 57.5% 42.5% +3.6
Michigan 16-12-0 57.1% 42.9% -0.3
Michigan St 13-10-0 56.5% 43.5% +1.8
Indiana 17-14-1 54.8% 45.2% -0.1
Iowa 15-14-0 51.7% 48.3% -0.9
Northwestern 17-18-1 48.6% 51.4% +2.0
Penn St 17-21-1 44.7% 55.3% -2.1
Maryland 15-22-0 40.5% 59.5% -5.6
Rutgers 14-21-0 40.0% 60.0% +0.3
Purdue 5-9-0 35.7% 64.3% -3.6