Jim Sumner

SABR BioProject biographies written by Jim Sumner

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SABR Games Project stories written by Jim Sumner

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SABR Journal Articles written by Jim Sumner

  • Virginia-North Carolina League: A Fascinating Failure

SABR Research Topics written by Jim Sumner 

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SABR Research Articles written by Jim Sumner 

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SABR Ballparks written by Jim Sumner 

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