What is every Big Ten Conference team's record against the over/under line as an underdog since the 2007-2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Ohio St 83-73-1 53.2% 46.8% +1.7
Penn St 154-137-2 52.9% 47.1% +1.3
Nebraska 154-142-3 52.0% 48.0% +1.2
Michigan 103-95-7 52.0% 48.0% +0.2
Purdue 68-63-0 51.9% 48.1% +2.5
Michigan St 67-66-2 50.4% 49.6% +0.6
Rutgers 151-152-4 49.8% 50.2% +0.5
Indiana 108-110-4 49.5% 50.5% +0.5
Minnesota 126-130-3 49.2% 50.8% +0.1
Maryland 102-108-3 48.6% 51.4% -0.2
Iowa 111-120-2 48.1% 52.0% +0.6
Northwestern 128-148-5 46.4% 53.6% -0.1
Illinois 96-113-2 45.9% 54.1% -0.9
Wisconsin 70-88-2 44.3% 55.7% -1.0