Reinold Navarro has one of the most electric fastballs in the Pirates’ farm system, perhaps even one of the best in the minors. The 19-year-old left-hander is overpowering Florida State League hitters, but nearly a walk per inning remains a massive concern. Jim and Anthony Murphy break down Navarro’s unusual pitch traits, improving changeup, extreme strikeout numbers and whether his long-term ceiling could be an elite late-inning reliever in Pittsburgh.

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