What is every Big 12 Conference team's record against the over/under line as an underdog since the 2004-2005 season?

Definitions
Team Over Record Over % Under % Total +/-
Baylor 118-89-5 57.0% 43.0% +3.0
Iowa St 159-120-4 57.0% 43.0% +3.0
W Virginia 119-102-3 53.9% 46.2% +1.9
Texas 112-97-1 53.6% 46.4% +2.6
Missouri 147-131-3 52.9% 47.1% +1.3
BYU 83-76-2 52.2% 47.8% +1.9
Houston 92-87-4 51.4% 48.6% +1.3
Kansas St 133-126-4 51.4% 48.7% +1.9
Nebraska 171-168-4 50.4% 49.6% +0.7
Oklahoma St 136-135-3 50.2% 49.8% -0.3
UCF 124-126-5 49.6% 50.4% +0.1
Texas A&M 117-121-2 49.2% 50.8% +0.2
TX Christian 163-172-6 48.7% 51.3% +1.1
Texas Tech 139-147-5 48.6% 51.4% -0.2
Oklahoma 112-131-4 46.1% 53.9% -1.1
Colorado 128-152-0 45.7% 54.3% -0.1
Cincinnati 85-105-3 44.7% 55.3% -2.1
Kansas 34-46-1 42.5% 57.5% -2.4