As reported yesterday by Scott Lauber of The Inquirer, Phillies top position player prospect Aidan Miller will play this season after all. Miller will be in the lineup tonight for the Clearwater Threshers when they host the Fort Myers Mighty Mussels. He is set to play five innings.
Miller underwent a radio frequency ablation back in June and the initial timetable for his return was six to eight weeks. Phillies current Assistant GM, Hitting, Luke Murton mentioned on Lauber’s Phillies Extra podcast on Friday that “there may be a surprise in the near future,” regarding Miller. It was announced later in the day on Friday that Miller would debut with the Threshers Saturday night.
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A Long Road Back
Miller arrived at Spring Training fully healthy and with sky-high expectations, ranked as high as the No. 15 overall prospect in baseball by MLB Pipeline. Those hopes were derailed in February when back soreness that had lingered from 2025 resurfaced. The Phillies eventually diagnosed the issue as discogenic pain and facet inflammation in his lumbar spine, and Miller underwent a radiofrequency ablation procedure on June 5. What was expected to be a six-to-eight week recovery turned into a full lost season, with repeated setbacks each time he tried to ramp back up.
Tonight, that will change. Miller is scheduled to play five innings at shortstop, his first game action since September of 2025. It won’t be a full workload, but for a player and organization that spent much of the summer bracing for a totally lost year, any at-bats represent a real step forward.
Why It Matters
Before the injury, Miller was coming off a strong 2025 split between Double-A Reading and Triple-A Lehigh Valley, hitting .264 with an .825 OPS across 432 at-bats. The Phillies had even discussed the possibility of a big league look this summer given uncertainty at third base, a plan the injury ultimately scuttled.
With Clearwater already having clinched the Florida State League West Division’s first-half title, there’s no pressure on tonight’s result. That makes it an ideal low-stakes environment for Miller to shake off the rust before potentially continuing his return in the Arizona Fall League this winter.
The Matchup
Fort Myers has given Clearwater fits at times this season, and the two clubs split a physical series in mid-August that included a Mighty Mussels stolen-base record and a walk-off homer. But the Threshers have won the most recent meetings, including a 7-3 win to open this final homestand. With only a handful of regular season games remaining before Clearwater opens the FSL West Division Series on the road against Tampa on September 8, expect the Threshers to use these final days to set their roster and get key players like Miller some final tune-up reps.
Looking Ahead
Sunday’s regular-season finale against Fort Myers will close the book on the 2026 slate, but all eyes tonight are on shortstop, where Miller gets a chance to remind everyone why he was once considered one of the best prospects in the sport.
The remaining timetable for Miller
Clearwater has just two regular season games remaining, before they open the Florida State League (FSL) divisional playoffs against the Tampa Tarpons (New York Yankees) in a best-of-three playoff series. Should they win that series they would move into the FSL Championship series, which is also a best-of-three series and they would play either Jupiter (Miami Marlins) or Daytona Beach (Cincinnati Reds).
At the High-A level, Jersey Shore won’t be in the South Atlantic League’s postseason.
The Reading Fightin’ Phillies have a regular season that runs through next week. They are also likely to qualify for the Eastern League playoffs as they hold a three-game lead in the Northeast Division with eight games to play. Should they hang onto the division lead they would qualify for the postseason and play the Hartford Yard Goats (Colorado Rockies) in the Northeast Division Series. Winning that best-of-three series would put them into the Eastern League championship series which is also a best-of-three series.
The FSL playoffs run September 8-11 for the division series and 13-16 for the league championship. The EL playoffs take place September 15-18 and 20-23.
The Lehigh Valley IronPigs also won’t be in the postseason. Their regular season schedule ends September 20.
With the remaining schedules, Miller could at least get some at-bats this minor league season before heading to the AFL which runs from October 3 until November 14.
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