What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 39-23-0 62.9% 37.1% +4.3
Nebraska 22-17-0 56.4% 43.6% +3.4
Wisconsin 9-7-0 56.3% 43.8% +2.8
Illinois 31-28-2 52.5% 47.5% +3.1
Penn St 13-13-0 50.0% 50.0% +0.1
Maryland 30-30-1 50.0% 50.0% +0.8
Minnesota 27-28-2 49.1% 50.9% -1.8
Michigan 14-15-0 48.3% 51.7% -0.2
Purdue 26-31-2 45.6% 54.4% -1.7
Northwestern 22-31-2 41.5% 58.5% -0.3
Ohio St 4-6-0 40.0% 60.0% +0.5
Rutgers 25-38-0 39.7% 60.3% +0.7
Michigan St 16-25-0 39.0% 61.0% -2.6
Iowa 15-24-0 38.5% 61.5% -4.4