- Full name Starlyn Castillo
- Born
Top Rankings
Organization Prospect Rankings
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Track Record: Castillo ranked as the top 2018 pitching prospect in the Dominican Republic, with the Phillies signing him for a $1.6 million bonus.
Scouting Report: Typically, top 16-year-old pitching prospects from Latin America have lean, athletic frames with high-end physical projection. Castillo, however, is built like a linebacker with a wide back and strong legs on a physically mature body. Castillo's advanced physicality helps him generate outstanding velocity for his age, ranging from 91-97 mph. Castillo's fastball alone helped him overpower amateur hitters and he complements that with a power breaking ball and a solid changeup at times. His secondary pitches are inconsistent, as is his control, with Castillo going through stretches where he's a solid strike-thrower, and others where his ability to find the zone escapes him, with his front side flying open.
The Future: Castillo is a young power arm still working on touch and feel, but his stuff is advanced for his age. He could make his pro debut next year in the Rookie-level Gulf Coast League.