What is every Big 12 Conference team's record against the over/under line as an underdog since the 2006 season?

Definitions
Team Over Record Over % Under % Total +/-
Houston 42-27-1 60.9% 39.1% +3.1
Oklahoma 13-9-1 59.1% 40.9% +2.4
TX Christian 33-24-0 57.9% 42.1% +2.0
Texas Tech 57-46-1 55.3% 44.7% +2.6
Kansas 82-70-1 54.0% 46.1% +2.2
Kansas St 58-50-1 53.7% 46.3% +1.7
Texas A&M 42-37-0 53.2% 46.8% +1.4
Colorado 77-71-2 52.0% 48.0% +0.1
Nebraska 43-40-1 51.8% 48.2% +2.5
W Virginia 36-35-2 50.7% 49.3% +1.7
UCF 32-36-2 47.1% 52.9% 0.0
Missouri 38-46-1 45.2% 54.8% -1.3
Baylor 47-58-2 44.8% 55.2% 0.0
Iowa St 56-75-1 42.8% 57.3% -1.1
Oklahoma St 32-43-0 42.7% 57.3% -0.2
Cincinnati 32-44-0 42.1% 57.9% -1.9
BYU 30-45-1 40.0% 60.0% -2.7
Texas 23-43-1 34.9% 65.2% -3.4