What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2020-2021 season?

Definitions
Team Over Record Over % Under % Total +/-
W Virginia 2-0-0 100.0% 0.0% +36.8
Oklahoma St 4-1-1 80.0% 20.0% +6.5
TX Christian 4-2-0 66.7% 33.3% +5.2
Texas 1-1-0 50.0% 50.0% +0.3
Iowa St 3-4-0 42.9% 57.1% -4.9
Kansas St 4-6-0 40.0% 60.0% -2.1
Oklahoma 1-2-0 33.3% 66.7% -8.5
Kansas 0-1-0 0.0% 100.0% -13.0
Texas Tech 0-1-0 0.0% 100.0% -8.5