LeBron James will reportedly earn $15 million per year from Polymarket, far more than his 76ers salary, while the deal has also raised broader questions about endorsement money and NBA cap rules.
Philadelphia 76ers star LeBron James will earn $15 million per year from his new endorsement deal with Polymarket, according to Front Office Sports.
The prediction-market platform will pay James nearly four times what he is expected to make from Philadelphia this season.
LeBron is not an investor in Polymarket and is working strictly as an endorser, a source told FOS.
The length of the agreement is unclear, but it was described as an “ongoing engagement” that includes social media posts and other content. His promotion will focus on football rather than basketball, per the same report.
The 41-year-old signed a two-year, $8 million deal with the 76ers in July and is expected to earn a little under $4 million from the team in 2026-27.
That means Polymarket will pay him roughly $11 million more this year than Philadelphia will for basketball.
James earned nearly $53 million with the Lakers last season.

Credit PI via ZUMA Press Wire – Scanpix
NBA insider Brett Siegel of ClutchPoints raised questions about what similar endorsement agreements could mean for future player contracts.
“To my knowledge, this doesn’t interfere with any CBA rules,” Siegel wrote. “But moving forward, these side deals players have with companies could directly lead to smaller contracts to help with cap relief, which, in theory, is kind of like cap circumvention.”
“A player could take significantly less on a contract knowing they have a potential sponsorship lined up to make up $10M+,” Siegel added. “Player then goes to team to let them know they’ll sign for less due to said side deals. Calls are made, and it’s done.”
Siegel later clarified that his point was about endorsement deals becoming more common and potentially making it easier for players to accept discounts on NBA contracts.
There is currently no indication that James’ Polymarket agreement is connected to the Sixers, and FOS previously reported that the NBA does not have a specific rule preventing players from endorsing prediction markets.
Kawhi Leonard scandal puts cap circumvention in the spotlight
The discussion comes only weeks after the NBA punished the Los Angeles Clippers and Kawhi Leonard for violating salary-cap circumvention rules.
An independent league investigation found that the Clippers helped arrange off-court income opportunities for Leonard through companies that had business relationships with the franchise.
The league fined the Clippers $30 million, stripped the organization of five first-round picks from 2029 through 2033, and suspended owner Steve Ballmer for one year. Leonard was fined $700,000.

Credit AP-Scanpix
The key difference in James’ case is that no connection between the 76ers and his Polymarket agreement has been reported.
According to FOS, James joined Polymarket after his previous endorsement deal with DraftKings expired earlier this summer.
Prediction markets such as Polymarket have also faced lawsuits and regulatory disputes because their sports-event contracts operate under federal oversight, unlike traditional sports betting, which is regulated primarily at the state level.
As these platforms continue to expand their presence across the sports entertainment landscape, high-profile athlete partnerships are expected to draw heightened scrutiny from both league officials and regulators.

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