What is every Big 12 Conference team's record against the over/under line as a road underdog since the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 1-0-0 100.0% 0.0% +19.0
UCF 5-2-0 71.4% 28.6% +10.7
Kansas 20-9-1 69.0% 31.0% +8.5
Houston 11-6-0 64.7% 35.3% +2.9
TX Christian 9-5-0 64.3% 35.7% +2.6
BYU 10-6-0 62.5% 37.5% +2.8
Kansas St 11-8-1 57.9% 42.1% +1.4
Baylor 11-10-0 52.4% 47.6% +1.3
Texas Tech 10-11-0 47.6% 52.4% -1.7
Iowa St 5-8-0 38.5% 61.5% +1.6
Texas 3-5-0 37.5% 62.5% -6.0
Oklahoma St 5-9-0 35.7% 64.3% +0.6
W Virginia 7-13-1 35.0% 65.0% -4.0
Cincinnati 5-10-0 33.3% 66.7% -4.8