This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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Tangotiger
tangotiger.com
did:plc:7ml26wn2il3px6pjt7pnz6yu
#Statcast Aging Curve for Swing Speed (updated with 2025 data)
I also included quasi-best-fit line, which you can play around with as more data comes in. This line in vertex form (which is much much much easier to understand than off-putting quadratic):
-.02*(Age - 25.5) + 72
2025-04-21T15:41:23.480Z