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

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 1-0-0 100.0% 0.0% +19.0
Kansas St 4-1-0 80.0% 20.0% +1.7
TX Christian 4-2-0 66.7% 33.3% +4.1
Kansas 7-4-0 63.6% 36.4% +7.6
W Virginia 3-4-0 42.9% 57.1% -5.5
Texas Tech 4-6-0 40.0% 60.0% +1.8
Texas 1-3-0 25.0% 75.0% +1.6
Baylor 1-5-0 16.7% 83.3% -12.8
Iowa St 0-2-0 0.0% 100.0% -11.0
Oklahoma St 0-3-0 0.0% 100.0% -8.0