What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan 1-0-0 100.0% 0.0% +11.5
Maryland 3-1-0 75.0% 25.0% +3.1
Northwestern 2-1-1 66.7% 33.3% +4.0
Indiana 2-3-0 40.0% 60.0% -5.0
Iowa 1-2-0 33.3% 66.7% +1.8
Minnesota 1-2-0 33.3% 66.7% -6.8
Nebraska 1-2-0 33.3% 66.7% -5.3
Michigan St 1-2-0 33.3% 66.7% +1.3
Penn St 1-2-0 33.3% 66.7% -8.0
Purdue 1-3-0 25.0% 75.0% -2.0
Illinois 1-4-0 20.0% 80.0% -9.3
Rutgers 0-3-0 0.0% 100.0% -11.7