What is every Southwest Division team's record against the over/under line as an underdog in the 2020-2021 season?

Definitions
Team Over Record Over % Under % Total +/-
Memphis 25-17-0 59.5% 40.5% +1.8
San Antonio 23-19-0 54.8% 45.2% +0.3
Houston 29-26-0 52.7% 47.3% +3.5
New Orleans 17-18-1 48.6% 51.4% +0.7
Dallas 7-24-0 22.6% 77.4% -8.1