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

Definitions
Team Over Record Over % Under % Total +/-
Indiana 56-35-0 61.5% 38.5% +3.0
Ohio St 11-7-0 61.1% 38.9% +6.3
Michigan 19-14-0 57.6% 42.4% +1.6
Purdue 51-42-5 54.8% 45.2% +2.3
Nebraska 35-29-1 54.7% 45.3% +2.6
Maryland 47-40-0 54.0% 46.0% +3.0
Wisconsin 12-12-1 50.0% 50.0% +1.5
Penn St 22-22-1 50.0% 50.0% +1.7
Minnesota 39-41-2 48.8% 51.3% -0.8
Northwestern 40-47-3 46.0% 54.0% -1.3
Michigan St 29-35-0 45.3% 54.7% -2.1
Illinois 41-54-4 43.2% 56.8% -0.4
Rutgers 39-62-0 38.6% 61.4% -1.9
Iowa 21-36-0 36.8% 63.2% -4.5