From SABR member Aaron Gleeman at Hardball Talk on December 8, 2011:
Pujols debuted on April 2, 2001 after surprisingly making the team out of spring training as a 21-year-old with just three games of experience above Single-A and performed at an MVP-level for 11 straight seasons.
Based on Baseball-Reference.com’s Wins Above Replacement calculations Pujols was worth 89.1 more wins than a replacement-level first baseman in 11 seasons with the Cardinals, which is the seventh-highest WAR total in baseball history through age 31.
… Seeing Pujols on that list did make me curious about how those other guys fared after age 31. Here are the Wins Above Replacement totals for those same players from age 32 on:
Originally published: December 8, 2011. Last Updated: December 8, 2011.