Albert Pujols' shocking decline
How the Angels star's walk rate reveals so much more
THE MOMENT YOU think you've seen it all in baseball, the game delivers something you've never encountered. Consider the decline of Albert Pujols (age: 34; OPS: .810). Everyone's stats fall off sooner or later, but Pujols' skills have decayed in a way that is unique in baseball history -- and that shows how the latest advanced metrics let us gauge the physical and even mental struggles of a waning ballplayer.
On average, as baseball players age, they lose speed, then ...
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