Is there a way to measure how a pitcher was using his fastball, and mixing it, relative to his other pitches?

How much credit should the pitcher get for reining in runners? Here’s a framework for figuring that out.

Creating a tool to show when or if a player should be shifted.

Introducing Weighted Batted Ball Runs Above Average.

A first step towards creating a comprehensive platoon score.

It’s not all on the catcher.

Introducing pBABIP, a stat that simplifies the process of predicting batting average on balls in play.