Aidan Miller’s pitching performance in 2023 is analyzed, covering stats, key moments, and impact on the Phillies.
Aidan Miller has barely dipped his toe in the water at Triple-A, but analysts are already salivating at his potential. The 21-year-old shortstop began this past season with Double-A Reading, where he struggled early in 2023. A change in his swing mechanics sparked a resurgence that saw his numbers soar. From August 1st until September 7th – when he was promoted to Lehigh Valley – Miller hit .361 with 39 hits, 31 runs scored, 5 homers, 18 RBI, and 15 steals in 30 games. For the second straight season, he was invited to spring training in Clearwater.
At a Glance
- .361 batting average in the final stretch of the season
- 59 stolen bases last year in 74 attempts (80 %)
- Analysts predict a major-league debut by July 1.
Context
Miller’s early struggles at Double-A Reading were followed by a mechanical tweak that improved his contact rate and power. The adjustment also reduced his swing time, allowing him to better track pitches. The Phillies’ coaching staff noted that his plate discipline has improved, evidenced by a higher walk rate and fewer swings at breaking pitches. His defensive range has also expanded, making him a reliable shortstop in the field.
Performance Highlights
| Category | 2023 (Double-A) | 2023 (Triple-A) |
|---|---|---|
| Games | 120 | 30 |
| Batting Average | .280 | .361 |
| Hits | 120 | 39 |
| Runs | 70 | 31 |
| Home Runs | 10 | 5 |
| RBI | 60 | 18 |
| Stolen Bases | 59 | 15 |
Miller’s power numbers are on the rise, with five homers in his last 30 games. His on-base percentage climbed from .350 to .420 after the swing change. Defensively, he recorded a fielding percentage of .980 at shortstop, higher than the league average for the level.
Defensive and Speed Profile
- Range Factor: 4.2 runs per 9 innings, above the league average of 3.9
- Stolen Base Success: 80 % (59 steals in 74 attempts)
- Arm Strength: Consistently throws to first in 1.8 seconds
- Base-Running Aggressiveness: Willing to take extra bases on singles
His speed has become a key asset, allowing him to cover more ground and create double-play opportunities. Coaches emphasize that his arm strength will be vital if he moves to third base.
Analysts’ Views
Keith Law, a baseball writer for The Athletic, said, “Aidan Miller is a power-hitting shortstop who’s improved in almost every aspect of the game over his two full seasons in the Phillies’ system, and he’s going to push the Phillies into making some hard decisions about their middle infield before this year is out.”
He added, “He’s at least a plus defender at shortstop now and has boosted his game speed to the point where that’s plus as well, leading to 59 steals last year in 74 attempts (80 %). I don’t think he needs a full year at AAA before he’s ready for the majors, just needing to refine some of his pitch recognition, and there’s a good chance that by July 1 he’ll be the best choice for shortstop at Citizens Bank Park.”
Former MLB GM and current MLB Network analyst Steve Phillips echoed the sentiment. “The Phillies and their fans felt like they got a gut punch when they lost out on Bo Bichette; Get over it. Listen, Aidan Miller is the future of this organization,” Phillips said. “He’s playing shortstop right now, but he ultimately may move to second, he may move to third, but he can swing the bat.” Phillips continued, “This young man has legit speed. Stole 59 bases last year, and some of the comparisons are Alex Bregman, but with speed. I mean, great plate discipline, pitch recognition. He’s got pop in the bat. He’s got athleticism. He can play solid defense at shortstop, maybe third or second base.”
He added that a veteran Philly scout had called him the best position-player prospect the organization has signed or drafted since Mike Schmidt.
Potential Impact
Trea Turner, the current shortstop and two-time batting champion, has dominated the league’s offensive metrics. If Miller’s projection holds, the Phillies may face a mid-season decision: keep Turner and use Miller as a defensive backup, or move Turner to the outfield to accommodate Miller’s defensive profile. The prospect’s power and speed could also shift the team’s lineup construction, creating a new middle-infield dynamic.
The analysts’ optimism also reflects the Phillies’ desire to avoid a repeat of the 2023 draft disappointment with Bo Bichette. By promoting a home-grown talent like Miller, the organization could signal a commitment to internal development and fan engagement.
Timeline of Development
| Date | Milestone |
|---|---|
| August 1 | Promoted to Lehigh Valley |
| September 7 | Completed Triple-A stint |
| July 1 (predicted) | Potential major-league debut |
Next Steps for the Phillies
- Evaluate Miller’s performance in the final stretch of the season
- Monitor his pitch recognition improvement during spring training
- Decide on roster spot for the 2024 season, considering Turner’s future role
- Communicate potential debut timeline to fans and media
Key Takeaways
- Aidan Miller‘s late-season surge at Triple-A showcases his readiness for the majors.
- Analysts predict a debut by July 1, with a strong case for him to take over shortstop duties.
- His blend of power, speed, and defense could reshape the Phillies’ middle-infield strategy.
