Oakland Athletics’ Matt Olson reacts after striking out against the San Francisco Giants during the fourth inning of a spring baseball game in Mesa, Ariz., Monday, March 12, 2018. (AP Photo/Chris …

Oakland Athletics’ Matt Olson reacts after striking out against the San Francisco Giants during the fourth inning of a spring baseball game in Mesa, Ariz., Monday, March 12, 2018. (AP Photo/Chris Carlson)