What is every Big 12 Conference team's record against the over/under line as a home underdog? Includes the 2020-2021 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
Iowa State 1-0-0 100.0% 0.0% +4.5
Baylor 1-0-0 100.0% 0.0% +9.0
Kansas 2-0-0 100.0% 0.0% +13.0
Texas Tech 3-1-0 75.0% 25.0% +18.1
TX Christian 1-1-0 50.0% 50.0% +8.0
W Virginia 0-1-0 0.0% 100.0% -6.0
Kansas St 0-2-0 0.0% 100.0% -11.0