What is every Big Ten Conference team's record against the over/under line as an underdog in the 2014-2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Wisconsin 2-0-0 100.0% 0.0% +17.5
Michigan St 7-2-0 77.8% 22.2% +4.9
Indiana 11-4-0 73.3% 26.7% +5.8
Nebraska 9-5-0 64.3% 35.7% +2.2
Michigan 10-7-0 58.8% 41.2% +4.0
Northwestern 11-8-0 57.9% 42.1% +2.7
Rutgers 10-10-2 50.0% 50.0% +0.4
Minnesota 5-6-0 45.5% 54.6% +0.3
Ohio St 3-4-1 42.9% 57.1% -4.4
Purdue 5-7-0 41.7% 58.3% -0.5
Penn St 5-9-0 35.7% 64.3% -1.1
Iowa 3-6-0 33.3% 66.7% -3.5
Maryland 4-8-0 33.3% 66.7% -0.5
Illinois 4-9-0 30.8% 69.2% -6.6