What is every Big Ten Conference team's record against the over/under line as a road underdog in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Nebraska 1-0-0 100.0% 0.0% +9.5
Rutgers 3-1-0 75.0% 25.0% +12.0
Illinois 2-2-0 50.0% 50.0% +1.0
Indiana 1-1-0 50.0% 50.0% +1.0
Northwestern 2-2-0 50.0% 50.0% -8.6
Michigan St 1-1-0 50.0% 50.0% -7.0
Penn St 1-1-0 50.0% 50.0% +12.8
Purdue 2-3-0 40.0% 60.0% -4.9
Maryland 2-3-0 40.0% 60.0% +3.4
Minnesota 1-2-0 33.3% 66.7% +1.2
Michigan 0-1-0 0.0% 100.0% -3.5
Iowa 0-1-0 0.0% 100.0% -30.0