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 459-429-48 51.7% 48.3% +0.5
Seattle 507-492-39 50.8% 49.3% +0.5
Oakland 532-525-48 50.3% 49.7% +0.6
Houston 356-360-33 49.7% 50.3% +0.5
Texas 516-547-52 48.5% 51.5% +0.5