What is every Big 12 Conference team's record against the over/under line as a road underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 3-1-0 75.0% 25.0% +10.5
Houston 12-7-0 63.2% 36.8% +3.0
UCF 10-6-1 62.5% 37.5% +6.1
Kansas 27-18-1 60.0% 40.0% +4.7
Kansas St 17-13-1 56.7% 43.3% +2.9
TX Christian 11-9-0 55.0% 45.0% +0.6
Baylor 13-14-0 48.2% 51.9% +0.3
BYU 11-13-0 45.8% 54.2% -0.6
Texas Tech 14-17-0 45.2% 54.8% -3.1
W Virginia 10-15-1 40.0% 60.0% -2.4
Iowa St 11-17-0 39.3% 60.7% -2.3
Oklahoma St 6-13-0 31.6% 68.4% -1.9
Texas 5-11-0 31.3% 68.8% -7.4
Cincinnati 8-18-0 30.8% 69.2% -4.4