Players / Player profile
PIT · AA · P

Jake Shirk

Age 24 B/T R/R 6′2″, 200 lb USA
Pittsburgh org

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 92.2 mph Jun ’25 · 183 pitches Apr ’25 – Jun ’25
Stuff 80 Jun ’25 · 183 pitches Apr ’25 – Jun ’25
Whiff rate 26% Jun ’25 · 183 pitches Apr ’25 – Jun ’25
Zone rate 49% Jun ’25 · 183 pitches Apr ’25 – Jun ’25
Walk rate 10.2% Jun ’25 · 49 PA Apr ’25 – Jun ’25

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026A+A+Greensboro Grasshoppers2468 IP 8 IP · 0.00 ERA · 28.1% K · 6.3% BB
2026AAAAAltoona Curve243455.2 IP 55.2 IP · 6.95 ERA · 15.9% K · 9.3% BB
2025AABradenton Marauders232334.2 IP 34.2 IP · 4.67 ERA · 22.8% K · 6.0% BB
2025A+A+Greensboro Grasshoppers231822.2 IP 22.2 IP · 3.18 ERA · 19.5% K · 6.9% BB

Prospect Pipeline: Perf+ 92 over his 2026 season (290 BF, mostly AA), 0.9 years younger than his level; trend −12.9 since 2025. Tag: Watch. Prospects →

Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.