What is every American League West team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Oakland 234-230-18 50.4% 49.6% +0.7
Seattle 235-232-15 50.3% 49.7% +0.5
Texas 285-284-30 50.1% 49.9% +0.6
Houston 81-92-11 46.8% 53.2% +0.4
LA Angels 201-233-22 46.3% 53.7% +0.3