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

Definitions
Team Over Record Over % Under % Total +/-
Michigan 49-37-3 57.0% 43.0% +1.4
Michigan St 41-33-0 55.4% 44.6% +2.5
Ohio St 57-47-0 54.8% 45.2% +2.7
Penn St 80-67-2 54.4% 45.6% +2.7
Nebraska 91-80-2 53.2% 46.8% +1.8
Iowa 55-53-2 50.9% 49.1% +1.7
Minnesota 78-80-3 49.4% 50.6% +0.2
Rutgers 74-80-2 48.1% 52.0% +0.7
Indiana 50-57-3 46.7% 53.3% -1.0
Maryland 50-57-2 46.7% 53.3% -1.3
Northwestern 62-76-4 44.9% 55.1% +0.2
Purdue 22-27-0 44.9% 55.1% +0.1
Illinois 45-59-1 43.3% 56.7% -1.0
Wisconsin 42-62-1 40.4% 59.6% -1.2