What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2018-2019 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa 6-2-0 75.0% 25.0% +7.9
Nebraska 6-2-0 75.0% 25.0% +9.2
Indiana 7-3-0 70.0% 30.0% +4.4
Rutgers 7-5-0 58.3% 41.7% +6.2
Michigan St 1-1-0 50.0% 50.0% +3.2
Michigan 1-1-0 50.0% 50.0% -8.8
Wisconsin 2-3-0 40.0% 60.0% -4.9
Penn State 4-6-0 40.0% 60.0% -4.0
Northwestern 3-5-1 37.5% 62.5% -2.6
Illinois 3-7-0 30.0% 70.0% -7.1
Purdue 1-3-0 25.0% 75.0% +2.2
Maryland 2-6-0 25.0% 75.0% -12.8
Ohio State 2-7-0 22.2% 77.8% -11.1
Minnesota 0-8-1 0.0% 100.0% -11.3