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

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 2-0-0 100.0% 0.0% +14.5
Michigan 3-1-0 75.0% 25.0% +6.9
Wisconsin 2-1-0 66.7% 33.3% +3.0
Purdue 14-9-1 60.9% 39.1% +3.6
Indiana 16-11-0 59.3% 40.7% +1.9
Northwestern 13-13-1 50.0% 50.0% -1.0
Maryland 8-9-0 47.1% 52.9% -0.2
Minnesota 6-7-0 46.2% 53.9% 0.0
Michigan St 10-13-0 43.5% 56.5% -0.3
Rutgers 9-13-0 40.9% 59.1% -1.1
Nebraska 7-12-0 36.8% 63.2% -5.1
Penn St 3-6-0 33.3% 66.7% -5.3
Illinois 4-14-2 22.2% 77.8% -6.0
Iowa 3-12-0 20.0% 80.0% -4.3