Alex Rodriguez plays baseball.
The 2009 World Series was the 105th edition of Major League Baseball 's ( MLB ) championship series . In Major League Baseball ( MLB ) , the 500 home run club is a group of batters who have hit 500 or more regular-season home runs in their careers . Alex Rodriguez . He became the youngest player ever to hit 500 home runs , reaching the milestone in 2007 . The American League of Professional Baseball Clubs , or simply the American League ( AL ) , is one of two leagues that make up Major League Baseball ( MLB ) in the United States and Canada .