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Committed on 09/2025
Commited to Louisiana State University (LSU)
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Where MLB scouts, college coaches, and top high school prospects meet.
Hometown: Justin, TX
Birthdate: 
Height/Weight: 6' 0'' / 190 lbs.
Bats/Throws: Right / Right
Position(s): SS / RHP
GPA:
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Email:
Phone:
College Commitment: Louisiana State University (LSU)
High School: Byron Nelson High School (TX) 2027
Region: TEXAS
Instagram: 21sebacastillo
💣#6 @BnhsHardball @CoachGarciaBNHS @FiveToolOK @FiveToolTexas pic.twitter.com/dKkAQWeMmC
— Sebastian Castillo (@21sebacastillo) July 17, 2025
UPDATE: 2027 Five Tool Texas 55Following the end of the playoffs and about two months of summer baseball, we've updated our 2027 Five Tool Texas 55 and 'Just Missed' lists. Is there a change at the top? Who are the uncommitted prospects surging in the rankings? That and more. |
2027 SS, Byron Nelson High School • Justin,TX
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2027 SS, Byron Nelson High School • Justin,TX
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2027 SS, Byron Nelson High School • Justin,TX
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2027 SS, Byron Nelson High School • Justin,TX
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Tigers remain on and pull another ELITE 2027 prospect from Texas. Castillo is a rare blend of tools, skill, IQ… simply a major DUDE. RHH SS with special hit feel and can also dominate on the mound.