Laurila: JT Chargois, Brad Keller, and Adam Ottavino on developing their sliders

From SABR member David Laurila at FanGraphs on August 27, 2019:

Pitchers learn and develop different pitches, and they do so at varying stages of their lives. It might be a curveball in high school, a cutter in college, or a changeup in A-ball. Sometimes the addition or refinement is a natural progression — graduating from Pitching 101 to advanced course work — and often it’s a matter of necessity. In order to get hitters out as the quality of competition improves, a pitcher needs to optimize his repertoire.

In this installment of the series, we’ll hear from three pitchers — JT Chargois, Brad Keller, and Adam Ottavino — on how they learned and developed their sliders.

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Originally published: August 27, 2019. Last Updated: August 27, 2019.