What is every American League West team's record against the over/under line as an underdog since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Angels 436-411-47 51.5% 48.5% +0.5
Oakland 517-501-46 50.8% 49.2% +0.6
Seattle 498-485-37 50.7% 49.3% +0.5
Houston 350-355-33 49.7% 50.4% +0.5
Texas 514-535-51 49.0% 51.0% +0.5