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

Definitions
Team Over Record Over % Under % Total +/-
Kansas St 4-0-0 100.0% 0.0% +6.8
Texas Tech 4-3-0 57.1% 42.9% +6.7
W Virginia 4-3-0 57.1% 42.9% +1.0
Houston 3-3-0 50.0% 50.0% +2.8
TX Christian 2-2-0 50.0% 50.0% +0.8
Cincinnati 2-2-0 50.0% 50.0% -5.8
Kansas 5-6-0 45.5% 54.6% -3.7
Oklahoma St 2-3-0 40.0% 60.0% +0.9
Baylor 3-5-0 37.5% 62.5% -2.8
BYU 1-4-0 20.0% 80.0% -1.7
Texas 0-1-0 0.0% 100.0% -25.0
Iowa St 0-5-0 0.0% 100.0% -12.0
UCF 0-1-0 0.0% 100.0% -16.0