What is every Big 12 Conference team's record against the over/under line as a road underdog since the 2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 5-3-1 62.5% 37.5% +4.6
Houston 20-13-0 60.6% 39.4% +0.9
Kansas St 28-21-1 57.1% 42.9% +2.9
Nebraska 20-17-0 54.1% 46.0% +3.1
TX Christian 16-14-0 53.3% 46.7% +0.8
Colorado 37-33-0 52.9% 47.1% -0.3
UCF 16-15-1 51.6% 48.4% +2.6
Kansas 37-36-1 50.7% 49.3% +2.1
Texas Tech 23-24-0 48.9% 51.1% -0.3
Baylor 19-21-2 47.5% 52.5% +1.2
W Virginia 18-20-1 47.4% 52.6% -0.3
Texas A&M 14-17-0 45.2% 54.8% -1.9
BYU 18-22-0 45.0% 55.0% -1.9
Iowa St 23-32-0 41.8% 58.2% -1.5
Missouri 17-25-1 40.5% 59.5% -1.0
Oklahoma St 11-17-0 39.3% 60.7% -1.0
Cincinnati 14-23-0 37.8% 62.2% -1.6
Texas 7-18-0 28.0% 72.0% -9.2