What is every Big 12 Conference team's record against the over/under line with the same number of days of rest as the opponent in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 7-2-0 77.8% 22.2% +14.9
Kansas St 4-2-0 66.7% 33.3% +7.8
Oklahoma 6-4-0 60.0% 40.0% +3.3
Oklahoma St 5-4-0 55.6% 44.4% +7.8
Baylor 5-4-0 55.6% 44.4% +1.7
Texas 5-5-0 50.0% 50.0% +3.2
Kansas 4-4-0 50.0% 50.0% -1.1
Iowa State 4-5-1 44.4% 55.6% +1.1
TX Christian 4-7-0 36.4% 63.6% -1.9
W Virginia 2-6-0 25.0% 75.0% -5.4