What is every Big 12 Conference team's record against the over/under line as an underdog since the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 91-63-1 59.1% 40.9% +3.9
Baylor 58-46-4 55.8% 44.2% +1.1
W Virginia 79-65-2 54.9% 45.1% +2.3
Kansas St 92-83-3 52.6% 47.4% +2.3
Texas 81-75-0 51.9% 48.1% +1.6
Oklahoma St 86-80-3 51.8% 48.2% +1.1
TX Christian 90-94-5 48.9% 51.1% +1.3
Oklahoma 75-82-1 47.8% 52.2% -0.6
UCF 80-89-2 47.3% 52.7% -0.5
Texas Tech 67-80-4 45.6% 54.4% -0.9
Kansas 25-30-1 45.5% 54.6% -1.8
BYU 42-52-0 44.7% 55.3% +1.1
Houston 38-49-0 43.7% 56.3% -0.1
Cincinnati 36-49-3 42.4% 57.7% -3.3