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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 34-23-0 59.7% 40.4% -0.1
Ohio St 39-29-0 57.4% 42.7% +2.9
Nebraska 66-52-1 55.9% 44.1% +2.2
Penn St 51-46-1 52.6% 47.4% +2.5
Iowa 36-33-0 52.2% 47.8% +1.2
Illinois 27-25-1 51.9% 48.1% +0.5
Minnesota 58-58-3 50.0% 50.0% +0.3
Michigan St 27-28-0 49.1% 50.9% +1.8
Indiana 36-39-2 48.0% 52.0% -1.4
Northwestern 47-53-2 47.0% 53.0% +1.4
Wisconsin 32-37-1 46.4% 53.6% +0.6
Maryland 35-44-1 44.3% 55.7% -2.7
Purdue 16-21-0 43.2% 56.8% +0.7
Rutgers 38-50-1 43.2% 56.8% -0.1