What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 47-26-1 64.4% 35.6% +4.8
Wisconsin 13-9-0 59.1% 40.9% +2.9
Nebraska 26-21-0 55.3% 44.7% +4.5
Penn St 16-15-0 51.6% 48.4% -0.2
Michigan 17-16-0 51.5% 48.5% +1.6
Maryland 37-36-1 50.7% 49.3% +1.1
Minnesota 32-33-2 49.2% 50.8% -1.1
Illinois 33-36-2 47.8% 52.2% +1.7
Purdue 31-36-2 46.3% 53.7% -1.2
Michigan St 21-29-0 42.0% 58.0% -1.1
Northwestern 27-39-2 40.9% 59.1% -0.2
Rutgers 29-43-0 40.3% 59.7% +0.9
Ohio St 4-7-0 36.4% 63.6% -1.1
Iowa 16-31-0 34.0% 66.0% -5.0