What is every Big Ten Conference team's record against the over/under line as a home underdog? Includes the 2019-2020 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Iowa 1-0-0 100.0% 0.0% +1.5
Ohio State 1-0-0 100.0% 0.0% +48.5
Nebraska 1-0-0 100.0% 0.0% +11.5
Indiana 3-1-0 75.0% 25.0% -0.2
Illinois 3-1-0 75.0% 25.0% +11.4
Purdue 2-1-0 66.7% 33.3% -2.3
Minnesota 2-1-0 66.7% 33.3% +15.2
Rutgers 3-3-0 50.0% 50.0% -6.8
Maryland 1-1-0 50.0% 50.0% +12.8
Northwestern 1-2-0 33.3% 66.7% -3.0
Michigan St 0-3-0 0.0% 100.0% -13.7
Penn State 0-1-0 0.0% 100.0% -16.5