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bb11's avatar

Pauly in many of your articles you cite minutes as very influential to age curves. Is there any research that supports this?

In most sports I think aging is the primary factor that influences decline, not playing time. Notable exceptions may be pitching in baseball and running backs in American football, because both positions are highly prone to chronic injury.

But why would you think Garnacho playing more at 20 would lead to him being slower at 27, unless he gets a major injury? I don't see an intuitive connection. Running speed starts declining sharply by mid/late 20s due to age and I think that is the primary cause of decline in most attacking players rather than racking up a certain number of minutes.

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