PIT · A+ · P
Seth Hernandez
Age 20 B/T R/R 6′4″, 190 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 96.5 mph May ’26 · 151 pitches Apr ’26 – May ’26
Stuff 106 May ’26 · 151 pitches Apr ’26 – May ’26
Whiff rate 52% May ’26 · 151 pitches Apr ’26 – May ’26
Zone rate 52% May ’26 · 151 pitches Apr ’26 – May ’26
Walk rate 4.5% May ’26 · 44 PA Apr ’26 – May ’26
Minor leagues
MLB Stats API · public box-score data
| SeasonLevel | Level | Team | Age | G | PA / IP | PA / IP ·Line |
|---|---|---|---|---|---|---|
| 2026A | A | Bradenton Marauders | 20 | 6 | 28 IP | 28 IP · 0.96 ERA · 48.1% K · 6.7% BB |
| 2026A+ | A+ | Greensboro Grasshoppers | 20 | 12 | 46 IP | 46 IP · 3.33 ERA · 36.2% K · 12.8% BB |
Prospect Pipeline: Perf+ 123 over his 2026 season (292 BF, mostly A+), 3.2 years younger than his level. Tag: Ready to push. MiLB Stuff 110 on 371 tracked A pitches. Prospects →
FanGraphs: FV 60 · ETA 2028 · #12 overall. Public pitch tracking exists only at Triple-A and some Florida State League parks; where he has it, the development panel above shows it.