What is every Big 12 Conference team's record against the over/under line as a home underdog since the 2014-2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Cincinnati 5-3-0 62.5% 37.5% +3.5
W Virginia 15-11-1 57.7% 42.3% +5.0
Texas Tech 12-10-0 54.6% 45.5% +1.3
Iowa St 16-14-0 53.3% 46.7% -0.4
Texas 13-12-0 52.0% 48.0% +4.8
Kansas 1-1-0 50.0% 50.0% -2.5
Baylor 5-5-0 50.0% 50.0% -0.6
TX Christian 18-23-1 43.9% 56.1% -0.9
Oklahoma St 18-25-2 41.9% 58.1% -1.3
UCF 18-27-0 40.0% 60.0% -5.1
Kansas St 15-23-1 39.5% 60.5% -1.0
BYU 4-10-0 28.6% 71.4% -3.6
Oklahoma 7-20-0 25.9% 74.1% -8.4
Houston 3-10-0 23.1% 76.9% -5.0