What is every Southwest Division team's record against the over/under line as an underdog? Includes the 2019-2020 season plus historical records.

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 24-14-0 63.2% 36.8% +5.8
New Orleans 28-21-0 57.1% 42.9% +0.9
Memphis 26-28-1 48.1% 51.8% +1.8
Dallas 23-26-3 46.9% 53.1% -0.4
Houston 8-13-1 38.1% 61.9% -0.4