Ninth in The Cardinal Nation’s 2026 Top 50 prospect countdown is an oft-injured left-hander who missed 2025 due to Tommy John surgery. When will Cooper Hjerpe return, how will be pitch, and has his ceiling changed?
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TCN 2026 St. Louis Cardinals Prospect #9 – Cooper HjerpeNinth in The Cardinal Nation’s 2026 Top 50 prospect countdown is an oft-injured left-hander who missed 2025 due to Tommy John surgery. When will Cooper Hjerpe return, how will be pitch, and has his ceiling changed?