What is every Big 12 Conference team's record against the over/under line as an underdog in the 2013-2014 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 4-2-0 66.7% 33.3% +12.3
Texas 9-5-0 64.3% 35.7% +2.9
Kansas St 9-5-0 64.3% 35.7% +9.8
Oklahoma St 3-2-0 60.0% 40.0% +3.8
Oklahoma 7-6-0 53.9% 46.2% +2.0
Baylor 7-6-1 53.9% 46.2% -0.1
W Virginia 7-8-0 46.7% 53.3% -2.7
TX Christian 9-16-0 36.0% 64.0% -2.6
Texas Tech 5-15-1 25.0% 75.0% -3.8
Kansas 1-3-0 25.0% 75.0% -2.5