Category Archives: Aging Curves

Towards aging curves for umpires

In this article, I’ll look at how umpires have adjusted their strike zone in the presence of PITCHf/x tracking, and investigate how an umpire’s performance changes as he ages. And although the data size is too small to establish a definitive relationship, we can see the start of an umpire aging curve.

Read the rest at Beyond the Box Score

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