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 — Kyle Barraclough, Andrew Miller, and Dan Straily — on how they learned and/or developed their sliders.
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Kyle Barraclough, Miami Marlins
“I’ve thrown it since my sophomore year of high school. One day my coach grabbed me and said, ‘Hey, you want to throw a slider?’ He showed me a grip and was like, ‘Throw it like a fastball, and at the very end kind of just focus on staying down through your middle finger.’
“I couldn’t really throw a curveball, to be honest with you. I didn’t know much about pitching at that point — I played multiple sports until my senior year — and it just never came naturally to me. The slider kind of popped up out of nowhere. It was basically, ‘Let the grip do what it’s going to do,’ and that worked for me.
“When I got to college — I don’t know if it was from trying to be too fine with it, or from not being as aggressive through the ball — but it kind of got a little loopier. Then I got to pro ball and it kind of stayed that way.
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