LeBron James – Nike, Estimated $1 Billion

If you thought David Beckham’s deal was off-the-roof prepare to be blown away, as NBA superstar LeBron James has signed the biggest endorsement contract of all time with Nike. James was already under a 7-year contract with Nike that paid him $90 million but then they shocked the world with a lifetime agreement of $1 billion (!!) which translates to an estimated $33 million per year. LeBron has his own signature line of shoes and athletic wear and will continue to serve as a brand ambassador after his retirement.