Scouting Report
Updated May 19, 2026
Aidan Miller, 21-year-old top Phillies prospect and shortstop, has been sidelined with a persistent lower-back injury since late 2025. After initially progressing through fielding drills in April 2026, he suffered a setback and was shut down from all baseball activities as of May 8. The exact nature of the injury remains unclear, with the Phillies declining to provide detailed diagnosis. Miller has not yet swung a bat or appeared in any games this season. Phillies management is taking an extremely cautious approach to his recovery with no clear timetable for return. His prospect value is diminishing due to prolonged absence and lack of progress.
Strengths
- + Top prospect in Phillies farm system
- + Strong minor league performance in 2025 (.264/.392/.433 with 14 HR in 432 AB)
- + Showed improvement in second half of 2025 season
- + Phillies organization being cautious rather than rushing return
- + Young age (21) allows for recovery time
- + Opportunity exists with Phillies infield struggles
Injury Status: IL-15 -- Nagging lower-back injury with unclear diagnosis. Initially sidelined late 2025 season, continued into spring training 2026. Suffered apparent setback after beginning to field ground balls in April. Currently shut down from all baseball activities as of May 8, 2026. Phillies taking cautious approach with recovery timeline.
About
Aidan Miller is a third baseman for the Philadelphia Phillies.
Player Overview
3B
Philadelphia Phillies