Number 4 in The Cardinal Nation’s Top 50 prospect countdown for 2021 is a 20-year old catcher who grew up in Panama as a fan of another number 4, Yadier Molina. Will Iván Herrera replace the future Hall of Famer one day – and if so, when will it be?
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First-hand news and commentary on the St. Louis Cardinals™ and their minor league system for 25 years