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

Definitions
Team Over Record Over % Under % Total +/-
Iowa 4-1-0 80.0% 20.0% +7.5
Penn St 6-3-0 66.7% 33.3% +2.7
Ohio St 2-1-0 66.7% 33.3% -0.8
Michigan 4-2-1 66.7% 33.3% +3.4
Minnesota 5-3-0 62.5% 37.5% +5.4
Purdue 5-4-0 55.6% 44.4% +0.7
Michigan St 2-2-0 50.0% 50.0% -1.6
Indiana 3-5-0 37.5% 62.5% -0.9
Northwestern 4-7-0 36.4% 63.6% -1.7
Wisconsin 1-2-0 33.3% 66.7% -10.0
Nebraska 3-8-0 27.3% 72.7% -10.1
Illinois 1-9-0 10.0% 90.0% -10.5