What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas St 3-0-0 100.0% 0.0% +6.8
TX Christian 1-1-0 50.0% 50.0% -2.8
Baylor 1-1-0 50.0% 50.0% -4.0
W Virginia 1-1-0 50.0% 50.0% -0.8
Texas Tech 2-2-0 50.0% 50.0% +0.8
Kansas 2-3-0 40.0% 60.0% -4.4