What is every Big 12 Conference team's record against the over/under line as an underdog since the 2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 9-3-0 75.0% 25.0% +8.0
Houston 25-15-1 62.5% 37.5% +3.6
TX Christian 24-15-0 61.5% 38.5% +5.0
Texas Tech 38-30-1 55.9% 44.1% +2.9
Kansas 51-43-1 54.3% 45.7% +2.3
Kansas St 31-30-1 50.8% 49.2% +1.3
UCF 15-16-1 48.4% 51.6% +2.1
BYU 23-25-0 47.9% 52.1% +0.5
W Virginia 22-28-2 44.0% 56.0% -0.8
Iowa St 24-37-1 39.3% 60.7% -2.0
Oklahoma St 18-28-0 39.1% 60.9% -1.1
Baylor 21-34-0 38.2% 61.8% -1.8
Cincinnati 16-30-0 34.8% 65.2% -3.7
Texas 15-30-0 33.3% 66.7% -3.2