What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2022-2023 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa 5-2-0 71.4% 28.6% -0.3
Michigan St 5-2-0 71.4% 28.6% +10.4
Indiana 5-2-1 71.4% 28.6% +2.5
Wisconsin 7-3-0 70.0% 30.0% +8.0
Ohio St 6-3-0 66.7% 33.3% +6.6
Purdue 2-1-0 66.7% 33.3% +2.0
Penn St 5-3-1 62.5% 37.5% +6.5
Minnesota 6-4-0 60.0% 40.0% +8.7
Northwestern 5-4-0 55.6% 44.4% +4.0
Illinois 2-2-0 50.0% 50.0% +0.6
Nebraska 6-6-0 50.0% 50.0% -0.4
Michigan 4-6-0 40.0% 60.0% -6.2
Maryland 1-7-0 12.5% 87.5% -9.9
Rutgers 1-7-0 12.5% 87.5% -1.4