https://blogs.fangraphs.com/the-fangraphs-uzr-primer/
The FanGraphs UZR Primer | FanGraphs Baseball
Jan 7, 2013 - Index 1. Introduction 2. Fielder Credits and Debits 3. Batted Ball Types 4. GDP and Arm 5. Base Runner and Outs Adjustments 6. Other Infield Positioning 7.
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