What is every Southwest Division team's record against the over/under line as a road underdog since the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Memphis 103-95-2 52.0% 48.0% +1.5
San Antonio 105-99-6 51.5% 48.5% -0.1
Houston 84-83-2 50.3% 49.7% +1.7
Dallas 81-91-2 47.1% 52.9% +0.2
New Orleans 87-101-2 46.3% 53.7% -0.7