What is every Big Ten Conference team's record against the over/under line as an underdog in the 2013-2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa 4-1-0 80.0% 20.0% +7.6
Ohio State 3-1-0 75.0% 25.0% +2.2
Minnesota 9-5-1 64.3% 35.7% +5.5
Purdue 10-6-0 62.5% 37.5% +4.4
Michigan 5-3-1 62.5% 37.5% +1.7
Penn State 10-8-0 55.6% 44.4% +1.9
Nebraska 9-9-0 50.0% 50.0% -1.8
Michigan St 2-2-0 50.0% 50.0% -1.8
Wisconsin 3-3-0 50.0% 50.0% -1.0
Indiana 6-8-0 42.9% 57.1% -3.4
Illinois 6-13-0 31.6% 68.4% -6.4
Northwestern 7-16-0 30.4% 69.6% -5.6