Christian Walker's 3-run walk-off homer leads Astros over Mariners in the 10th inning

On Friday, August 15, 2026, Christian Walker hit a 3-run walk-off home run in the 10th inning to lead the Houston Astros to a victory over the Seattle Mariners. The decisive hit came against Seattle closer Andrés Muñoz, as Houston held off a late push from the Mariners. The dramatic win extended the rivalry between the two MLB clubs.