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 23-16-1 59.0% 41.0% +3.9
Dallas 11-8-0 57.9% 42.1% +4.2
New Orleans 19-17-0 52.8% 47.2% +1.8
Memphis 24-24-0 50.0% 50.0% +3.3
Houston 5-7-0 41.7% 58.3% +0.4