What is every Southwest Division team's record against the over/under line as an underdog in the 2008-2009 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 10-11-1 47.6% 52.4% -3.9
Dallas 15-18-0 45.5% 54.6% +1.5
Houston 14-18-0 43.8% 56.3% -1.6
New Orleans 10-13-1 43.5% 56.5% -1.2
Memphis 28-38-0 42.4% 57.6% -4.7