What is every Big 12 Conference team's record against the over/under line as an underdog in the 2017 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas St 4-2-0 66.7% 33.3% +10.0
Oklahoma 2-1-0 66.7% 33.3% +20.2
Kansas 5-5-0 50.0% 50.0% -1.4
W Virginia 2-2-1 50.0% 50.0% +2.6
Baylor 4-5-0 44.4% 55.6% +2.3
Iowa St 3-6-0 33.3% 66.7% -8.2
TX Christian 1-2-0 33.3% 66.7% -1.3
Texas Tech 2-5-0 28.6% 71.4% -6.9
Texas 0-6-0 0.0% 100.0% -17.5