Pete Alonso hits 300th home run in Baltimore Orioles' victory over New York Mets

In New York, Pete Alonso hit his 300th career home run on September 15, 2026, while playing for the Baltimore Orioles against his former team, the New York Mets. His tying shot in the ninth inning helped the Orioles secure a 7-5 victory in extra innings. Alonso was celebrated by Mets fans, showcasing the respect he earned during his time with the team.