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Fleer – SABR's Baseball Cards Research Committee
Essential T-Shirt
Mark Fidrych | Essential T-Shirt
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Page 6 – Baseball Analysis & Baseball Cards - rotisserieduckdotcom
John Racanelli – SABR's Baseball Cards Research Committee
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Roberto Osuna was a star on a playoff team at 20 years old, an All-Star at 22, lead the league in saves at 24, and is out of the league at 26.
Essential T-Shirt
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The rule of thirds and '08 Stadium Club
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Roberto Osuna was a star on a playoff team at 20 years old, an All-Star at 22, lead the league in saves at 24, and is out of the league at 26.