What is every Big 12 Conference team's record against the over/under line as an underdog since the 2017 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 7-3-0 70.0% 30.0% +8.4
TX Christian 19-11-0 63.3% 36.7% +4.4
Kansas 39-24-1 61.9% 38.1% +4.9
Houston 19-12-1 61.3% 38.7% +3.5
Kansas St 22-19-1 53.7% 46.3% +2.2
Texas Tech 25-22-1 53.2% 46.8% +1.7
UCF 7-8-0 46.7% 53.3% +1.5
BYU 14-19-0 42.4% 57.6% -1.2
Baylor 20-30-0 40.0% 60.0% -0.9
W Virginia 16-24-2 40.0% 60.0% -1.7
Oklahoma St 10-17-0 37.0% 63.0% +0.6
Cincinnati 10-21-0 32.3% 67.7% -5.2
Texas 8-18-0 30.8% 69.2% -3.8
Iowa St 10-25-0 28.6% 71.4% -4.5