What is every Big 12 Conference team's record against the over/under line as an underdog in the 2019-2020 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 12-6-0 66.7% 33.3% +2.6
Kansas St 10-6-1 62.5% 37.5% +2.7
Oklahoma St 9-6-0 60.0% 40.0% +0.6
Baylor 3-2-0 60.0% 40.0% +1.0
TX Christian 7-6-1 53.9% 46.2% +0.5
Texas Tech 2-2-1 50.0% 50.0% +3.0
Texas 6-8-0 42.9% 57.1% -4.5
Oklahoma 6-10-0 37.5% 62.5% -2.6
W Virginia 1-3-0 25.0% 75.0% -0.5
Kansas 0-2-0 0.0% 100.0% -15.8