What is every Big 12 Conference team's record against the over/under line as an underdog since the 2008-2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa State 99-57-1 63.5% 36.5% +4.7
Baylor 72-54-4 57.1% 42.9% +1.5
Missouri 79-73-0 52.0% 48.0% +0.9
Nebraska 100-99-4 50.2% 49.8% +0.7
Texas 72-72-1 50.0% 50.0% +1.0
Kansas St 74-76-1 49.3% 50.7% +0.2
TX Christian 102-108-2 48.6% 51.4% +1.3
Oklahoma St 79-85-2 48.2% 51.8% -0.1
Colorado 80-88-0 47.6% 52.4% +0.2
Texas Tech 90-102-4 46.9% 53.1% -1.1
Texas A&M 71-88-1 44.6% 55.4% -0.7
Oklahoma 68-85-2 44.4% 55.6% -1.6
W Virginia 47-64-2 42.3% 57.7% -2.3
Kansas 18-28-1 39.1% 60.9% -2.8