This could be an entire post, but teams across sports make many mistakes because they don’t actually understand the methodology underlying advanced analytics.
I haven’t followed baseball in the analytics era, but I’d be surprised if you weren’t right about this. More precisely, going to the bullpen early may generally be the right move, but it won’t universally be the right decision.
It might statistically be the right move and I get it if the starter is struggling or putting guys on base but if he is dominating why take him out? This cost the blue jays a game in the playoffs last year. It might have cost the Rays the world series in 2020 when Blake Snell was absolutely dominating and they took him out early for a better "matchup" and then you see the guys on the Dodgers bench eyes light up because they know they have a chance. The Rays lost that game and the next one to lose the WS. Might have been different if they left Snell in a couple more innings.
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I like the rule of thumb that you shouldn't do what the other team is hoping you'll do.
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Absolutely.
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