Philadelphia Phillies prospect Aidan Miller participated in an Arizona Fall League game on October 14, 2026, at Surprise Stadium in Surprise, Arizona. Miller, wearing number 4, was photographed throwing a warm-up toss during a matchup between the Peoria Javelinas and the Surprise Saguaros.
The appearance comes as part of the Phillies' ongoing player development program. The organization's news cycle has also included updates on established players such as Alec Bohm, Bryce Harper, and Jason Kanzler.
