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

Definitions
Team Over Record Over % Under % Total +/-
Indiana 73-43-2 62.9% 37.1% +3.1
Michigan 30-20-0 60.0% 40.0% +3.0
Nebraska 38-34-1 52.8% 47.2% +1.4
Purdue 60-54-6 52.6% 47.4% +1.2
Minnesota 53-49-2 52.0% 48.0% -0.4
Maryland 56-54-1 50.9% 49.1% +2.1
Michigan St 38-38-0 50.0% 50.0% -1.0
Penn St 26-26-1 50.0% 50.0% +1.7
Wisconsin 18-18-1 50.0% 50.0% +0.9
Northwestern 50-57-3 46.7% 53.3% -0.6
Ohio St 11-13-0 45.8% 54.2% +1.9
Illinois 50-61-4 45.1% 55.0% +0.4
Rutgers 48-67-0 41.7% 58.3% -0.8
Iowa 26-43-0 37.7% 62.3% -4.4