PIT · AA · P
Peyton Stumbo
Age 24 B/T R/R 6′1″, 200 lb USA
Development · trends & plan
Tracked levels only. Monthly values; gaps mark the offseason. The number beside each line is its last month, with that month’s sample (faded under 50 PA or 150 pitches), not the season.
Trends · Bradenton
Fastball velo 92.1 mph Jun ’25 · 197 pitches Apr ’25 – Jun ’25
Stuff 82 Jun ’25 · 197 pitches Apr ’25 – Jun ’25
Whiff rate 21% Jun ’25 · 197 pitches Apr ’25 – Jun ’25
Zone rate 51% Jun ’25 · 197 pitches Apr ’25 – Jun ’25
Walk rate 5.7% Jun ’25 · 53 PA Apr ’25 – Jun ’25
Minor leagues
MLB Stats API · public box-score data
| SeasonLevel | Level | Team | Age | G | PA / IP | PA / IP ·Line |
|---|---|---|---|---|---|---|
| 2026AA | AA | Altoona Curve | 24 | 27 | 121.1 IP | 121.1 IP · 6.23 ERA · 18.9% K · 8.4% BB |
| 2025A | A | Bradenton Marauders | 23 | 13 | 49 IP | 49 IP · 4.41 ERA · 22.0% K · 3.8% BB |
| 2025A+ | A+ | Greensboro Grasshoppers | 23 | 12 | 41 IP | 41 IP · 4.17 ERA · 20.2% K · 11.0% BB |
Prospect Pipeline: Perf+ 95 over his 2026 season (562 BF, mostly AA), 1.1 years younger than his level; trend −8.0 since 2025 (inside the year-to-year noise). Tag: On track. Prospects →