Larry Andersen, Durbin Feltman, and Trevor May on Crafting Their Sliders
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 — Larry Andersen, Durbin Feltman, and Trevor May— on how they learned and developed their sliders.
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Larry Andersen, Philadelphia Phillies (broadcaster)
“I was a sophomore in high school, and we had a senior pitcher named Don Beckwith who had a slider. At the time, I just had a fastball and a curveball. He showed me his grip and I was like, ‘Let me try this.’ From there I implemented it into my repertoire. It was a pitch I picked up right away. It felt comfortable. It’s almost like holding a fastball off-center a little bit.
“Of course, then there was the pressure on my fingertips and how far back I held it in my hand. That type of thing. I played with those over the years to the point where I felt I had three different pitches with essentially the same grip Don Beckwith showed me in high school.


