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SF Giants' 2023 bullpen is taking shape before our eyes this September, Sports
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Top Giants prospect Sean Hjelle pounds zone, lights up radar gun in debut
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San Francisco Giants Top Prospects - 2021 - FantraxHQ
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San Francisco Giants – Page 2 – Marin Independent Journal
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Sean Hjelle logs career-high six strikeouts in Giants' loss
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2022 San Francisco Giants Top 10 Prospects Chat — College Baseball, MLB Draft, Prospects - Baseball America
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2022 SF Giants Top 35 Prospects - Giant Futures
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2023 season primer: Everything you need to know about the Giants – KNBR
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SF Giants call up prospect Keaton Winn - McCovey Chronicles
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Why Giants Pitcher Prospect Sean Hjelle Stood Out to Ryan Vogelsong – NBC Bay Area