Episode Details

Rayner Castillo, a promising young pitcher in the Detroit Tigers system, faced challenges in 2025 at High-A West Michigan. Despite initially impressing with his ground-ball outs and solid command, he struggled with lower velocity, more walks, and louder contact. However, he bounced back in August and September, regaining velocity and sharpening his slider. With potential velocity and slider tweaks, Castillo could advance to Double-A Erie in 2026, serving as a durable ground-ball pitcher or reliable reliever.

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