What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2013-2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 30-14-0 68.2% 31.8% +3.1
Michigan 45-28-1 61.6% 38.4% +2.6
Nebraska 62-52-1 54.4% 45.6% +0.9
Iowa 42-40-1 51.2% 48.8% +1.7
Rutgers 55-54-1 50.5% 49.5% +2.4
Penn St 50-50-2 50.0% 50.0% +0.2
Ohio St 35-35-1 50.0% 50.0% 0.0
Indiana 40-41-3 49.4% 50.6% -0.8
Northwestern 46-51-3 47.4% 52.6% +0.6
Minnesota 48-54-2 47.1% 52.9% +0.6
Maryland 40-47-1 46.0% 54.0% -2.1
Wisconsin 29-37-0 43.9% 56.1% -0.5
Purdue 21-29-0 42.0% 58.0% -1.8
Illinois 32-50-0 39.0% 61.0% -2.7