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

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 1-0-0 100.0% 0.0% +4.5
Texas Tech 3-0-0 100.0% 0.0% +26.7
Kansas 3-0-0 100.0% 0.0% +18.8
Kansas St 1-1-0 50.0% 50.0% +18.0
Baylor 1-1-0 50.0% 50.0% +2.3
TX Christian 1-2-0 33.3% 66.7% +5.0
W Virginia 0-1-0 0.0% 100.0% -6.0
Texas 0-1-0 0.0% 100.0% -15.0