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

Definitions
Team Over Record Over % Under % Total +/-
Iowa 2-0-0 100.0% 0.0% +12.8
Nebraska 4-1-0 80.0% 20.0% +4.6
Illinois 3-1-0 75.0% 25.0% +14.6
Wisconsin 2-1-0 66.7% 33.3% +5.8
Northwestern 2-2-0 50.0% 50.0% -5.1
Maryland 2-2-0 50.0% 50.0% 0.0
Indiana 1-1-0 50.0% 50.0% +4.0
Minnesota 2-2-0 50.0% 50.0% +4.1
Penn St 0-1-0 0.0% 100.0% -0.5
Michigan St 0-2-0 0.0% 100.0% -24.5
Rutgers 0-4-0 0.0% 100.0% -7.8