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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 1-0-0 100.0% 0.0% +12.0
Penn St 2-0-0 100.0% 0.0% +11.8
Ohio St 1-0-0 100.0% 0.0% +21.0
Minnesota 2-0-0 100.0% 0.0% +10.3
Wisconsin 1-0-0 100.0% 0.0% +16.5
Purdue 7-1-0 87.5% 12.5% +4.6
Northwestern 5-4-0 55.6% 44.4% -5.4
Indiana 5-4-0 55.6% 44.4% +2.7
Rutgers 5-4-0 55.6% 44.4% +0.7
Michigan St 3-5-0 37.5% 62.5% -3.2
Nebraska 2-5-0 28.6% 71.4% -3.8
Illinois 1-3-1 25.0% 75.0% -5.3
Iowa 1-4-0 20.0% 80.0% -5.9
Maryland 1-4-0 20.0% 80.0% -10.6