The biggest threat against Foltynewicz prior to the homer came in the sixth, when he walked Franklin Barreto and Matt Joyce with one out. But he buckled down, striking out Olson swinging and Jed Lowrie looking to end the inning.
The A's also got a runner in scoring position with one out in the eighth when Rajai Davis drew a leadoff walk and stole second as Jaycob Brugman struck out. But Foltynewicz struck out pinch-hitter Yonder Alonso swinging and got Joyce to line out to left.