How Unique is a Pitcher?

March 2026

This study introduces Unique+, a descriptive metric that quantifies stylistic differentiation in standardized pitch profile space using k-nearest neighbors. While its incremental predictive power for run prevention is modest, the framework provides actionable structure for player comps, development, and bullpen construction.

Same Projection, Different Confidence

February 2026

MLB projection systems like ZiPS or Steamer provide forecasts by presenting point estimates. But front offices make decisions under uncertainty. This post explores why interval forecasts might provide a more realistic decision framework.