What is every Southwest Division team's record against the over/under line as an underdog since the 2010-2011 season?

Definitions
Team Over Record Over % Under % Total +/-
San Antonio 252-204-7 55.3% 44.7% +1.2
Dallas 273-275-7 49.8% 50.2% +0.7
Memphis 290-295-4 49.6% 50.4% +0.5
Houston 255-265-6 49.0% 51.0% +1.0
New Orleans 310-352-8 46.8% 53.2% -0.2