What happened: The Athletics welcomed infielder Joshua Kuroda-Grauer to the major leagues, marking his MLB debut with the club. The team announced the promotion as he joined the active roster.

Why it matters: A debut is a milestone for any organization building around young talent, and the Athletics continue to integrate prospects into their lineup during the 2026 season. Each call-up reshapes the roster picture and signals where the club sees its future contributors.

What to watch: Watch how Kuroda-Grauer is deployed in the everyday lineup and whether he holds a roster spot as the Athletics work through the 2026 schedule.