Welinton Herrera, a 21-year-old lefty reliever from the Rockies, is recognized as the team’s top relief prospect, boasting a mid-90s fastball. After a dominant 2024 season in Low-A Fresno, he showed growth in High-A Spokane and continued to excel in Double-A Hartford, earning a spot in the Futures Game. Ranked 10th by Baseball America and praised for his fastball, Herrera is projected to debut in the MLB in 2026, with potential as a late-inning reliever. He has three options remaining on his 40-man roster contract.
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Colorado Rockies Prospect: Welinton Herrera
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