On Saturday, Sept. 12, 2026, the Seattle Mariners defeated the Oakland Athletics 19-1. That was a total blowout from the opening pitch. The Mariners wound up with five home runs and 23 hits. Michael Arroyo hit his first home run in the rout. The Seattle Times described the win as a historic rout. MLB.com and Newsday also reported the lopsided outcome. The Mariners scored 19 runs on 23 hits while holding the Athletics to one run. The five home runs set the tone for Seattle. Arroyo's first homer was part of that total.