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

Definitions
Team Over Record Over % Under % Total +/-
Iowa State 69-37-1 65.1% 34.9% +5.2
Baylor 52-32-2 61.9% 38.1% +3.1
Oklahoma St 57-44-0 56.4% 43.6% +2.9
Missouri 48-39-2 55.2% 44.8% +1.7
Nebraska 65-63-2 50.8% 49.2% +0.3
Kansas St 49-48-1 50.5% 49.5% +0.8
Oklahoma 48-48-1 50.0% 50.0% +0.7
TX Christian 62-62-2 50.0% 50.0% +1.5
Texas Tech 51-53-0 49.0% 51.0% +0.4
Texas 42-45-0 48.3% 51.7% -0.3
Texas A&M 40-54-0 42.5% 57.5% -1.8
W Virginia 31-43-1 41.9% 58.1% -3.1
Kansas 15-22-1 40.5% 59.5% -3.0
Colorado 42-62-0 40.4% 59.6% -2.1