What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Penn State 7-2-0 77.8% 22.2% +4.6
Michigan 4-2-0 66.7% 33.3% +9.2
Maryland 5-4-0 55.6% 44.4% +2.9
Iowa 5-5-0 50.0% 50.0% +3.6
Minnesota 5-5-0 50.0% 50.0% +6.5
Ohio State 2-2-0 50.0% 50.0% -2.9
Rutgers 4-5-0 44.4% 55.6% -2.9
Northwestern 4-5-0 44.4% 55.6% -4.1
Wisconsin 4-6-0 40.0% 60.0% -4.7
Nebraska 4-8-0 33.3% 66.7% -5.5
Illinois 3-7-0 30.0% 70.0% -1.9
Indiana 2-7-1 22.2% 77.8% -4.8
Purdue 0-1-0 0.0% 100.0% -15.0