[Underdog! LeBron James Officially Announces Joining the 76ers, Previous Probability of Event Only 7.8%] BlockBeats News, July 24 — According to multiple sports media reports, 41-year-old NBA superstar LeBron James has ultimately decided to join the Philadelphia 76ers. The event has been a hot topic in prediction markets. According to Predict.fun data, the probability of James joining the 76ers was previously only 7.8%, but it has now reached 99%.