Alberto Pujols played in for the St. Louis Cardinals for 11 seasons and the Los Angeles Angels for 10 seasons. With the Cardinals, Pujols was a three-time National League (NL) Most Valuable Player (MVP) (2005, 2008, 2009) and nine-time All-Star (2001, 2003–2010). After joining the Angels in 2012, he made one All-Star appearance, in 2015. He signed with the Dodgers in 2021.

After one season of college baseball, he was selected by the Cardinals in the 13th round of the 1999 MLB draft. As a rookie for the Cardinals in 2001, he was unanimously voted the NL Rookie of the Year. Pujols played consistently for the Cardinals, contributing to two World Series championships in 2006 and 2011. After the 2011 season, Pujols became a free agent and signed a 10-year contract with the Angels. Pujols was, at the height of his career, was a highly regarded hitter who showed a "combination of contact hitting ability, patience and raw power." He is a six-time Silver Slugger who has twice led the NL in home runs, and he has also led the NL once each in batting average, doubles, and RBIs. 

Pujos founded the Pujos Family Foundation that is dedicated to Down Syndrome awarness and works to support those who have it and their families. A lot of the work goes back to the Domican and also helps those with life threatening illnesses.