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

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 1-0-0 100.0% 0.0% +8.0
Michigan 4-0-0 100.0% 0.0% +7.4
Indiana 14-6-0 70.0% 30.0% +6.8
Wisconsin 1-1-0 50.0% 50.0% +6.5
Purdue 6-9-1 40.0% 60.0% -1.7
Michigan St 7-12-0 36.8% 63.2% +0.2
Maryland 5-9-0 35.7% 64.3% -4.8
Northwestern 6-11-2 35.3% 64.7% -3.7
Illinois 7-13-1 35.0% 65.0% -2.8
Minnesota 4-8-0 33.3% 66.7% -4.0
Iowa 4-9-0 30.8% 69.2% -4.3
Penn St 2-5-0 28.6% 71.4% -7.9
Rutgers 6-15-0 28.6% 71.4% -4.2
Nebraska 4-11-0 26.7% 73.3% -4.8