What is every Big 12 Conference team's record against the over/under line as an underdog in the 2020-2021 season?

Definitions
Team Over Record Over % Under % Total +/-
W Virginia 7-0-0 100.0% 0.0% +17.9
Oklahoma St 12-3-1 80.0% 20.0% +9.9
Kansas 5-2-1 71.4% 28.6% +7.2
Iowa St 11-8-0 57.9% 42.1% +1.3
TX Christian 8-6-0 57.1% 42.9% +3.8
Texas Tech 2-2-0 50.0% 50.0% +8.5
Oklahoma 5-6-0 45.5% 54.6% -3.4
Kansas St 9-12-0 42.9% 57.1% -0.7
Texas 3-5-0 37.5% 62.5% -5.3
Baylor 0-1-0 0.0% 100.0% -3.0