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% +11.9
Penn State 1-1-0 50.0% 50.0% +13.2
Illinois 2-2-0 50.0% 50.0% +0.9
Indiana 1-1-0 50.0% 50.0% +1.5
Northwestern 2-2-0 50.0% 50.0% -8.4
Michigan St 1-1-0 50.0% 50.0% -7.5
Purdue 2-3-0 40.0% 60.0% -4.7
Minnesota 1-2-0 33.3% 66.7% +1.2
Maryland 1-3-0 25.0% 75.0% -3.8
Michigan 0-1-0 0.0% 100.0% -4.0
Iowa 0-1-0 0.0% 100.0% -30.0