What is every Big 12 Conference team's record against the over/under line as a road underdog since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 4-2-1 66.7% 33.3% +5.6
Houston 17-11-0 60.7% 39.3% +0.5
UCF 14-10-1 58.3% 41.7% +4.4
Kansas St 21-18-1 53.9% 46.2% +1.7
TX Christian 15-13-0 53.6% 46.4% +1.1
Kansas 32-30-1 51.6% 48.4% +2.9
Texas Tech 20-19-0 51.3% 48.7% +0.5
Baylor 16-16-0 50.0% 50.0% +2.1
BYU 16-17-0 48.5% 51.5% -1.0
W Virginia 15-17-1 46.9% 53.1% +0.3
Oklahoma St 11-14-0 44.0% 56.0% +0.8
Iowa St 18-24-0 42.9% 57.1% -0.5
Cincinnati 11-18-0 37.9% 62.1% -2.0
Texas 6-15-0 28.6% 71.4% -9.2