What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2008-2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 29-24-1 54.7% 45.3% -0.5
Penn State 66-59-0 52.8% 47.2% +0.1
Rutgers 67-60-2 52.8% 47.2% +1.6
Michigan 44-40-1 52.4% 47.6% +1.6
Northwestern 61-59-4 50.8% 49.2% +0.3
Nebraska 65-63-2 50.8% 49.2% +0.3
Ohio State 37-37-1 50.0% 50.0% -0.4
Indiana 48-50-4 49.0% 51.0% +0.6
Iowa 51-55-1 48.1% 51.9% +1.4
Maryland 42-48-4 46.7% 53.3% -1.0
Purdue 33-40-0 45.2% 54.8% -1.5
Minnesota 47-60-1 43.9% 56.1% -1.2
Illinois 43-62-1 40.9% 59.1% -2.5
Wisconsin 27-43-1 38.6% 61.4% -3.9