What is every Big Ten Conference team's record against the over/under line as an underdog since the 2011-2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 75-55-5 57.7% 42.3% +1.9
Michigan St 55-45-2 55.0% 45.0% +1.5
Ohio St 67-55-1 54.9% 45.1% +2.2
Penn St 117-103-2 53.2% 46.8% +2.0
Nebraska 128-116-3 52.5% 47.5% +1.1
Purdue 55-50-0 52.4% 47.6% +2.3
Minnesota 105-102-3 50.7% 49.3% +0.8
Iowa 79-77-2 50.6% 49.4% +1.7
Rutgers 112-114-4 49.6% 50.4% +0.5
Indiana 72-76-4 48.7% 51.4% -0.4
Maryland 79-84-2 48.5% 51.5% -0.7
Northwestern 96-114-5 45.7% 54.3% -0.1
Illinois 71-93-1 43.3% 56.7% -1.4
Wisconsin 55-74-1 42.6% 57.4% -1.0