What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2015-2016 season?

Definitions
Team Over Record Over % Under % Total +/-
Michigan St 24-12-0 66.7% 33.3% +3.0
Michigan 36-21-0 63.2% 36.8% +2.4
Nebraska 53-41-1 56.4% 43.6% +2.5
Iowa 37-34-1 52.1% 47.9% +2.0
Ohio St 32-32-0 50.0% 50.0% +0.6
Indiana 33-33-3 50.0% 50.0% -0.9
Penn St 41-42-2 49.4% 50.6% 0.0
Rutgers 43-45-0 48.9% 51.1% +1.0
Northwestern 36-40-3 47.4% 52.6% +0.4
Maryland 34-38-1 47.2% 52.8% -2.5
Minnesota 41-46-2 47.1% 52.9% +0.4
Wisconsin 28-35-0 44.4% 55.6% 0.0
Illinois 27-35-0 43.6% 56.5% -1.0
Purdue 14-20-0 41.2% 58.8% -2.0