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

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 50-32-1 61.0% 39.0% +4.5
Baylor 33-24-1 57.9% 42.1% +1.9
Kansas St 50-38-2 56.8% 43.2% +4.1
Oklahoma St 50-38-0 56.8% 43.2% +2.3
W Virginia 36-29-1 55.4% 44.6% +3.0
TX Christian 45-37-3 54.9% 45.1% +4.0
Texas Tech 32-28-2 53.3% 46.7% +1.0
Texas 39-37-0 51.3% 48.7% +0.9
BYU 22-21-0 51.2% 48.8% +2.0
Oklahoma 40-39-0 50.6% 49.4% +1.9
UCF 39-40-2 49.4% 50.6% +2.5
Cincinnati 23-26-1 46.9% 53.1% -2.1
Kansas 16-20-0 44.4% 55.6% -2.7
Houston 12-18-0 40.0% 60.0% -2.4