What is every Big 12 Conference team's record against the over/under line as an underdog in the 2020 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas 6-1-1 85.7% 14.3% +7.4
Texas 2-1-0 66.7% 33.3% +8.5
Kansas St 4-3-0 57.1% 42.9% +7.1
Texas Tech 4-3-0 57.1% 42.9% +11.7
TX Christian 2-3-0 40.0% 60.0% +0.7
Iowa St 1-2-0 33.3% 66.7% -5.5
Baylor 2-4-0 33.3% 66.7% -3.2
W Virginia 0-3-1 0.0% 100.0% -10.1
Oklahoma St 0-1-0 0.0% 100.0% -6.5