Tensions between the EuroLeague and the NBA have increased after the EuroLeague sent a warning letter to the NBA on January 9, indicating possible legal action if talks continue with clubs with long-term EuroLeague contracts.
A source confirmed to Front Office Sports that the dispute stems from the NBA’s plans to launch a European league, possibly as early as 2027, with franchises worth nearly $1 billion.
The NBA has reportedly held exploratory talks with major clubs such as Real Madrid, Barcelona, ASVEL Basket and Fenerbahce Istanbul.
A source familiar with the league’s position said the NBA believes it has acted appropriately and only engaged with parties who are free to explore future opportunities.
Commissioner Adam Silver is currently in Europe attending competitions in London and Berlin, where he meets potential investors, sponsors and media partners.
According to Bloomberg, the NBA plans to own 50 percent of the new league, which would include at least 12 franchises and share financial projections with potential partners.
The EuroLeague has responded by strengthening its own foundation, with nine of its thirteen permanent clubs renewing their licenses for a further ten years, including Barcelona.
Teams that leave early face a fine of $11.6 million plus additional damages.
Although EuroLeague has labeled the NBA’s plans as a threat to European basketball traditions, it remains open to cooperation under conditions that protect the sport’s cultural identity.
NBA faces legal threat from EuroLeague over European expansion plans https://t.co/TQBuu2Jleu
— RealGM (@RealGM) January 13, 2026
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