What is every Big Ten Conference team's record against the over/under line as an underdog? Includes the 2020-2021 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Penn State 1-0-1 100.0% 0.0% +8.0
Ohio State 1-0-1 100.0% 0.0% +4.0
Indiana 3-1-0 75.0% 25.0% -0.2
Michigan St 4-2-0 66.7% 33.3% +2.1
Rutgers 5-3-0 62.5% 37.5% +6.9
Illinois 4-4-0 50.0% 50.0% +0.6
Michigan 1-1-0 50.0% 50.0% -1.8
Minnesota 2-3-0 40.0% 60.0% -5.1
Maryland 1-3-0 25.0% 75.0% -3.0
Purdue 0-2-0 0.0% 100.0% -4.8
Iowa 0-2-0 0.0% 100.0% -3.0
Nebraska 0-5-0 0.0% 100.0% -6.5
Northwestern 0-2-0 0.0% 100.0% -21.5