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COACHING STAFF

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GREGORIO PETIT

ASTROS

Former MLB infielder (A’s, Astros, Yankees, Angels, Twins). Now manager of the Midland Rockhounds, bringing big-league experience and a championship mindset.

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JAVIER BENTANCOURT

DETROIT

Venezuelan former minor-league infielder (Detroit Tigers). Adds deep infield knowledge and competitive spirit to the GP31 coaching staff.

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ANDRES STHORMES

DETROIT

Former catcher (Detroit Tigers, Miami Marlins) and GP31’s catching coach. Expert at developing hitters, managing pitchers, and refining defensive fundamentals behind the plate.

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JOSE CARRILLO

ASTROS

Venezuelan-born former professional player in the Houston Astros organization (Tri-City ValleyCats / GCL Astros). Serves as GP31’s all-purpose coach, bringing versatile experience and strong leadership across all areas of player development.

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MARIO FERNANDEZ

TAMPA BAY

Former pitcher (Tampa Bay Rays). Specializes in developing young arms, teaching mound presence, and controlling tempo under pressure.

JOSE AGUIRRE

ARIZONA

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