Contreras (2-3) took the loss and blew a save against the Blue Jays on Friday, allowing two runs on two hits without retiring a batter.
With the Angels up by a run in the eighth inning, manager Ron Washington turned to Ben Joyce -- who has been closing of late -- to face the heart of Toronto's order. Joyce got the job done, leaving Contreras to try to follow suit in the ninth. The latter couldn't close things out, however, as he gave up back-to-back solo homers to Joey Loperfido and Addison Barger to take the defeat. Contreras had been pitching well coming into Friday, allowing just one earned run and posting a 16:4 K:BB over his prior 14 frames.