What is every Big 12 Conference team's record against the over/under line in post-season bowl games in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Baylor 1-0-0 100.0% 0.0% +26.5
Oklahoma St 0-1-0 0.0% 100.0% -1.5
Texas 0-1-0 0.0% 100.0% -11.0
TX Christian 0-1-0 0.0% 100.0% -21.0
W Virginia 0-1-0 0.0% 100.0% -15.5
Iowa St 0-1-0 0.0% 100.0% -2.0
Oklahoma 0-1-0 0.0% 100.0% -1.5