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

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 1-0-0 100.0% 0.0% +10.5
Texas Tech 16-9-1 64.0% 36.0% +9.2
TX Christian 8-5-0 61.5% 38.5% +4.9
Houston 8-5-1 61.5% 38.5% +4.3
W Virginia 10-9-0 52.6% 47.4% +3.3
Kansas 21-21-0 50.0% 50.0% -0.7
Iowa St 12-13-1 48.0% 52.0% -1.4
Oklahoma St 7-8-0 46.7% 53.3% -0.6
Cincinnati 6-8-0 42.9% 57.1% -4.0
UCF 3-4-0 42.9% 57.1% +1.1
Kansas St 9-13-0 40.9% 59.1% -0.3
Texas 5-9-0 35.7% 64.3% -1.0
BYU 5-9-0 35.7% 64.3% -2.8
Baylor 6-12-0 33.3% 66.7% -2.6