What is every Big 12 Conference team's record against the over/under line as a road underdog since the 2017 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas St 10-6-1 62.5% 37.5% +4.3
Kansas 12-8-1 60.0% 40.0% +2.7
TX Christian 4-3-0 57.1% 42.9% +1.1
Baylor 6-6-0 50.0% 50.0% +0.4
Oklahoma 1-1-0 50.0% 50.0% +10.0
Texas Tech 6-7-0 46.2% 53.8% -2.3
Texas 2-5-0 28.6% 71.4% -9.0
Iowa State 3-8-0 27.3% 72.7% -8.8
Oklahoma St 1-3-0 25.0% 75.0% -0.4
W Virginia 2-7-1 22.2% 77.8% -7.3