What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2007-2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 39-31-1 55.7% 44.3% +0.1
Michigan 67-55-2 54.9% 45.1% +1.1
Nebraska 91-79-1 53.5% 46.5% +1.2
Penn St 84-76-2 52.5% 47.5% 0.0
Iowa 72-69-1 51.1% 48.9% +1.3
Indiana 62-62-4 50.0% 50.0% +0.3
Ohio St 50-50-1 50.0% 50.0% 0.0
Rutgers 84-84-1 50.0% 50.0% +1.3
Purdue 41-43-0 48.8% 51.2% +0.2
Northwestern 76-82-4 48.1% 51.9% +0.3
Maryland 61-69-2 46.9% 53.1% -1.5
Minnesota 68-80-2 46.0% 54.1% -0.3
Illinois 55-69-0 44.4% 55.7% -1.6
Wisconsin 43-54-1 44.3% 55.7% -1.5