What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2018-2019 season?

Definitions
Team Over Record Over % Under % Total +/-
Nebraska 38-25-0 60.3% 39.7% +3.5
Michigan 24-16-0 60.0% 40.0% -0.9
Michigan St 15-11-0 57.7% 42.3% +2.0
Iowa 26-20-0 56.5% 43.5% +1.9
Indiana 25-23-2 52.1% 47.9% -0.8
Illinois 18-17-0 51.4% 48.6% -0.8
Wisconsin 22-21-0 51.2% 48.8% +2.4
Ohio St 21-21-0 50.0% 50.0% -0.5
Northwestern 27-29-1 48.2% 51.8% +1.5
Rutgers 27-29-0 48.2% 51.8% +1.8
Minnesota 27-33-2 45.0% 55.0% -0.3
Penn St 24-31-1 43.6% 56.4% -1.3
Maryland 22-30-0 42.3% 57.7% -5.2
Purdue 11-16-0 40.7% 59.3% -1.9