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 281-252-8 52.7% 47.3% +0.5
Minnesota 420-384-13 52.2% 47.8% +1.3
Utah 296-275-11 51.8% 48.2% +1.5
Okla City 265-305-5 46.5% 53.5% -1.1