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

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 11-4-1 73.3% 26.7% +7.3
Houston 29-17-1 63.0% 37.0% +3.3
TX Christian 27-17-0 61.4% 38.6% +4.9
Texas Tech 41-33-1 55.4% 44.6% +2.5
Kansas 55-49-1 52.9% 47.1% +1.8
UCF 18-17-1 51.4% 48.6% +3.3
Kansas St 33-32-1 50.8% 49.2% +1.1
BYU 24-28-0 46.2% 53.9% -0.2
W Virginia 26-32-2 44.8% 55.2% -0.1
Iowa St 31-39-1 44.3% 55.7% -0.3
Oklahoma St 18-29-0 38.3% 61.7% -1.3
Baylor 21-34-0 38.2% 61.8% -1.8
Cincinnati 17-32-0 34.7% 65.3% -3.8
Texas 15-35-0 30.0% 70.0% -4.6