LeBron James Raises Value of Miami Heat 17% Meanwhile, the value of the Cavaliers plunges By John Johnson, Newser Staff Posted Jan 27, 2011 1:57 PM CST 3 comments Comments Miami Heat's LeBron James argues a call. (AP Photo/Lynne Sladky) (Newser) – Forbes is out with its annual ranking of NBA teams, with this year's headline-grabbing stat coming courtesy of LeBron James. His blockbuster trade to the Miami Heat raised the value of the team by 17% to $425 million, good for seventh in the league. The value of his old team, the Cleveland Cavaliers, dropped 26% to $355 million (15th). "No player in the 64-year history of the National Basketball Association has come close to having the immediate and profound impact" of James, writes Mike Ozanian. The top 5 teams: New York Knicks, $655 million Los Angeles Lakers, $643 million Chicago Bulls, $511 million Boston Celtics, $452 million Houston Rockets, $443 million Click for the full list.