Archive - The Exit Velo

Hypothesis Interrupted: The Rays' Unfinished Pitching Experiment

Jul 15 Written By John D Connolly

Published on Painting’s Substack • Jul 15

June 2026

My debut piece is live at Painting Corners Baseball

Boston's been quietly building a southpaw pipeline. Here's the story.

Jun 29 • JD Connolly

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