All Articles by Sean O'Rourke

Measuring Defensive Accuracy in BaseballB

Yusei Kikuchi’s Unique Contract Worth Further Inspection$

Robo Strike Zone: It’s Not as Simple as You Think

Is the world ready for robot umpires?

Prospectus Feature: Ahead of the Curve’s Revisionist History

Brian Kenny takes a victory lap for sabermetrics, but still treats the world as too simpleminded for it.

Prospectus Feature: The Need for Adjusted Exit Velocity

What you need to know before your sweeping take about a player’s exit velocity.