What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 2-1-0 66.7% 33.3% 0.0
Indiana 2-1-0 66.7% 33.3% +2.2
Nebraska 7-4-0 63.6% 36.4% 0.0
Purdue 5-3-0 62.5% 37.5% +1.1
Iowa 4-4-0 50.0% 50.0% +5.2
Northwestern 4-4-1 50.0% 50.0% -0.9
Penn St 4-5-0 44.4% 55.6% -4.3
Ohio St 2-3-0 40.0% 60.0% -3.1
Minnesota 2-3-0 40.0% 60.0% -7.1
Michigan St 2-3-0 40.0% 60.0% -5.4
Illinois 2-5-0 28.6% 71.4% -3.9
Wisconsin 1-4-0 20.0% 80.0% -8.5