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

Definitions
Team Over Record Over % Under % Total +/-
Indiana 5-1-0 83.3% 16.7% +6.2
Minnesota 4-1-0 80.0% 20.0% +5.8
Michigan 3-1-0 75.0% 25.0% +6.5
Purdue 5-3-0 62.5% 37.5% +4.8
Iowa 2-2-0 50.0% 50.0% -5.5
Illinois 4-4-0 50.0% 50.0% +2.1
Nebraska 2-2-0 50.0% 50.0% -0.9
Northwestern 4-5-0 44.4% 55.6% -5.1
Maryland 3-4-0 42.9% 57.1% -0.4
Rutgers 4-7-0 36.4% 63.6% -2.4
Michigan St 1-3-0 25.0% 75.0% -0.9
Penn State 0-1-0 0.0% 100.0% -13.0
Wisconsin 0-2-0 0.0% 100.0% -2.5
Ohio State 0-1-0 0.0% 100.0% -10.0