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The unorthodox method Aidan Miller is using to manage his back and dominate the Arizona Fall League

Aidan Miller's back problems finally appear to be solved. The Phillies' top prospect is tearing the cover off the ball in the Arizona Fall League.

By Ben Silver · That Balls Outta Here

Published: Thursday, 22 October 2026 at 9:00 PM

Key Things to Know

Aidan Miller is managing persistent back issues using swing-motion massage techniques learned at Tom Brady's TB12 facility.
Miller missed most of the 2026 season before returning to Double-A Reading and joining the Surprise Saguaros.
Through eight Arizona Fall League games, Miller has batted .333 with 15 walks in 40 plate appearances.

The Story in 60 Seconds

Philadelphia Phillies prospect Aidan Miller is excelling in the Arizona Fall League with the Surprise Saguaros after missing most of 2026 with back issues. Miller credits his physical turnaround to techniques learned at Tom Brady's TB12 facility in Tampa, where staff massaged him during his swing motion to treat soft tissue.

Miller has also incorporated yoga and a jiu-jitsu movement program designed by strength coach Ryan Maedel to keep his back healthy. While shifting to third base, Miller is batting .333 across eight AFL games, which the article notes could position him as an option for the Phillies in 2027.

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