Gambling firm Paddy Power Betfair has said it is talks over a merger in the US with fantasy sports site Fan Duel.
Talks centre around combining its US operation with Fan Duel to create a business to “to target the prospective US sports betting market”.
“Discussions are ongoing and there is no certainty as to whether agreement will be reached,” it added.
It comes as the American Supreme Court overturned 1992 legislation that banned sports betting in most US states.
Fan Duel allows sports fans to gamble on fantasy sports leagues and contests.