What is every Big 12 Conference team's record against the over/under line as a road underdog in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma St 1-0-0 100.0% 0.0% +15.0
TX Christian 1-0-0 100.0% 0.0% +1.5
Kansas St 2-2-1 50.0% 50.0% +3.9
Baylor 2-2-0 50.0% 50.0% +1.9
Texas Tech 1-2-0 33.3% 66.7% -10.3
Kansas 2-4-0 33.3% 66.7% -1.7
Iowa St 1-3-0 25.0% 75.0% -7.3