What is every Big 12 Conference team's record against the over/under line as an underdog in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Baylor 1-0-0 100.0% 0.0% +14.0
Oklahoma 1-0-0 100.0% 0.0% +2.0
Texas Tech 6-2-0 75.0% 25.0% +12.0
W Virginia 2-1-0 66.7% 33.3% +3.0
Kansas St 5-3-0 62.5% 37.5% +9.4
Oklahoma St 3-2-0 60.0% 40.0% +3.5
Kansas 5-6-0 45.5% 54.5% -2.4
Iowa State 4-5-1 44.4% 55.6% +1.1
TX Christian 1-2-0 33.3% 66.7% -5.3
Texas 2-5-0 28.6% 71.4% -4.9