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 111-64-1 63.4% 36.6% +4.3
Baylor 72-55-4 56.7% 43.3% +1.4
Missouri 84-76-2 52.5% 47.5% +1.0
Oklahoma St 92-87-2 51.4% 48.6% +0.8
Texas 75-76-1 49.7% 50.3% +0.9
Nebraska 109-112-4 49.3% 50.7% +0.5
TX Christian 110-115-2 48.9% 51.1% +1.5
Kansas St 83-87-1 48.8% 51.2% +0.1
Texas Tech 92-104-4 46.9% 53.1% -0.9
Colorado 81-94-0 46.3% 53.7% -0.4
W Virginia 54-64-2 45.8% 54.2% -1.1
Oklahoma 73-91-2 44.5% 55.5% -1.7
Texas A&M 74-95-1 43.8% 56.2% -0.8
Kansas 22-30-2 42.3% 57.7% -2.1