On Saturday, Sept. 12, 2026, the Seattle Mariners beat the Oakland Athletics 19-1. It was a total blowout right away. The Mariners finished with five home runs and 23 hits. Michael Arroyo hit his first home run in the rout. The Seattle Times labeled the result a record rout. MLB.com and Newsday covered the lopsided outcome. The Mariners put up 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 capped the attack.