RESEARCH: Effect of height on pitcher development

Baseball commentators periodically suggest that tall pitchers (like Chris Tillman, pictured) are slower to develop than short or average-height pitchers. They "have more complex deliveries so they need more time to get their mechanics straightened out" or they "are so used to dominating lower levels because of their size and raw stuff that they haven't yet learned how to pitch" or some other spirited claim. But is there any truth behind this?

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  For more information about the terms used in this article, see our Glossary Primer.