What is every American League West team's record against the over/under line as an underdog since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Angels 586-547-63 51.7% 48.3% +0.5
Seattle 690-693-64 49.9% 50.1% +0.4
Oakland 697-729-64 48.9% 51.1% +0.5
Texas 659-699-67 48.5% 51.5% +0.5
Houston 562-605-46 48.2% 51.8% +0.4