Pain free and producing: Phillies prospect Aidan Miller is loving baseball again originally appeared on NBC Sports Philadelphia
Aidan Miller is finally back in his happy place.
He is on the ball field. Playing. Pain free.
“Just being out here, being so grateful to be playing baseball again, feeling healthy while you’re playing,” he said during a recent interview on The Phillies Show podcast. “It’s definitely given me a new love for the game.”
Miller, a 22-year-old shortstop/third baseman, remains one of the Phillies’ top prospects even though he missed most of the 2026 season with a stubborn lower back issue that kept him from playing until September.
He helped Double A Reading rally to win the Eastern League Championship and has now moved on to the Arizona Fall League, where he was hitting .300 with a .571 on-base percentage and a .467 slugging percentage in his first 10 games for the Surprise Saguaros. The league runs through Nov. 11.
“Just playing baseball again, it’s been so much fun,” he said. “I think I took it for granted, honestly, my whole career so far. To have it taken away from me for a long time and getting back and having that itch again and that love and fire for the game. There’s nothing like it.”
Miller had a strong season, registering an .825 OPS with 14 homers, 42 RBIs and 59 stolen bases in 116 games at Double Reading and Triple A Lehigh Valley in 2025. There was a lot of talk that he could challenge for a spot on the big-league roster sometime in 2026. Then spring training arrived. A lower back issue that had bothered him on occasion over the years popped up again in spring training. From February through the summer, he had the Phillies’ medical staff searched for answers.
In June, the young player had a procedure called a radiofrequency ablation of the facet joints in his lower spine. “Basically, they find the pain and burn the nerve,” he said. Results from the procedure were only so-so. Miller found the pain relief he was looking for when he and team athletic trainers visited the TB12 Performance and Recovery Center in Tampa. The facility is co-owned by former NFL great Tom Brady. It specializes in optimizing recovery and eliminating pain through massage and other techniques that work on soft tissue.
Along with the folks at TB12 and Justin Ahrens of the Phillies’ athletic training staff, Miller has come up with an hour-long daily routine that keeps him on the field – pain free. The routine includes some yoga and jiu-jitsu techniques, some stretching and massage ball work.
“It’s all about keeping those joints lubed up,” he said with a laugh. “We’re at a point now where I feel 100 percent. I told my trainer the other day, it’s not even a thought anymore. When I wake up, it used to be how’s my back feeling, can I bend over and touch my toes? Now, I can swing a bat right out of bed, which is great.”
Miller expects to continue his back-maintenance routine throughout his career. Cole Hamels had to do that, as well. Like Miller, he had a lower back issue as a young minor-leaguer. He found a back-specific strength and conditioning program that helped him pitch until he was 36 and win 163 games.
“Back pain is no joke,” Miller said. “I have a checklist that I do before I even hit in the cage. I’ll probably do it the rest of my career. It just makes you feel great in general.”
Miller and Hamels have more in common than just overcoming back issues. Both dropped in their respective drafts, allowing the Phillies to swoop in and get them. Hamels fractured his pitching arm between his sophomore and junior year in high school. Many teams backed off him over health concerns, but the Phillies did their homework and nabbed him with the 17th overall pick in 2002.
Miller was projected to be a Top 10 pick in 2023 before he fractured the hamate bone in his left hand in the first at-bat of his senior season in high school. He did not play a game after that. Some teams moved on, but the Phils liked what they’d seen enough in previous seasons and summers to select him 27th overall.
“I’m glad I ended up here,” he said before the 2025 season.
Though he missed much development time in 2026, Miller believes he can make the jump to Philadelphia in 2027. It is an opinion shared and vocalized by president of baseball operations Dave Dombrowski.
“We think we’ve got a really, really good player,” Dombrowski said earlier this month at his end-of-season news conference. “You see all the young players who jumped into playing this year. Aidan Miller, when he’s healthy, is as good as any.”
With an aging core roster and a huge payroll, the Phillies desperately need to inject some cost-effective, productive youth into their mix. Miller plays two positions where there could be openings in 2027 as third baseman Alec Bohm is likely to move on in free agency and shortstop Trea Turner could be subject to a position change.
Miller’s style of hitting would seem to fit the Phillies well. On a team that lacks overall plate selectivity, he has it. In Arizona, he has walked 18 times and struck out just 10.
“I’m a pretty picky hitter,” he said. “My approach is to try to hit a line drive to center field. I like to work at-bats and hit something hard.”
During his long summer rehabbing his back injury, Miller didn’t pay much attention to what was going on in Philadelphia.
“There was a point when I was hurt that I wanted no part of watching baseball,” he said. “I’d do my rehab, go home and go fishing. I wanted to take my mind off baseball and not pay attention. I wasn’t on the field and I didn’t want to go through it with my mind.”
Now he’s back on the field, smiling and succeeding.
Where does Aidan Miller see himself in 2027?
“In Philadelphia, playing,” he said.