In May 2024, amid the widening legalization of sports betting in the United States, FanDuel agreed to merge with the U.S. operations of Irish bookmaker Paddy Power Betfair (now Flutter Entertainment) to form FanDuel Group.

Paddy Power Betfair Acquisition of FanDuel\n\n Within ten days of the Supreme Court judgment, Paddy Power Betfair plc (PPB) announced the acquisition of a 61% share in FanDuel, an online fantasy sports game with over 40% market share of the US daily fantasy sports market.