Markets Published July 11, 2014 9:30am EDT | Updated February 8, 2017 12:53pm EST The LeBron Effect Comments FOXBusiness Career Stats A comparison of LeBron's performance while playing for the Cleveland Cavaliers and the Miami Heat. Source: Forbes Career Accomplishments A comparison of LeBron's performance while playing for the Cleveland Cavaliers and the Miami Heat. Source: Forbes Estimated Valuation Cleveland Cavaliers' valuation estimate: Gold denotes years in which LeBron played for the team. Source: Forbes Estimated Valuation Miami Heat's valuation estimate: Gold denotes years LeBron played with the team. Source: Forbes