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

Definitions
Team Over Record Over % Under % Total +/-
Portland 345-306-4 53.0% 47.0% +0.5
Denver 279-251-8 52.6% 47.4% +0.5
Minnesota 416-380-13 52.3% 47.7% +1.3
Utah 296-275-11 51.8% 48.2% +1.5
Okla City 264-303-5 46.6% 53.4% -1.0