What is every Big 12 Conference team's record against the over/under line coming off a win in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 4-1-0 80.0% 20.0% +9.4
Oklahoma 8-3-1 72.7% 27.3% +11.8
Baylor 4-2-0 66.7% 33.3% +8.1
W Virginia 5-3-0 62.5% 37.5% +1.6
Oklahoma St 3-3-0 50.0% 50.0% +2.9
TX Christian 3-3-0 50.0% 50.0% -6.9
Kansas 1-2-0 33.3% 66.7% -4.3
Texas 3-6-0 33.3% 66.7% -2.9
Kansas St 1-3-1 25.0% 75.0% -3.8
Iowa St 1-6-1 14.3% 85.7% -7.4