AC Milan have emerged as shock joint-favourites with Ladbrokes to sign Willian.
The Chelsea forward has long been linked with a move to Man United, but the Italian giants have this morning emerged as 7/4 shots alongside the Red Devils at the head of the market.
Elsewhere, 3/1 says Real Madrid add the Brazilian to their ranks in a mega summer revamp, while Barcelona are considered 7/2 shots with PSG (5/1) rounding out the betting.
Alex Apati of Ladbrokes said: "Chelsea's season could be about to go from bad to worse as Willian looks set to be the next blockbuster name to leave Stamford Bridge, with Milan shock joint-favourites to strike a deal."
Ladbrokes Latest Betting
5 most likely clubs to sign Willian
AC Milan - 7/4
Man United - 7/4
Real Madrid - 3/1
Barcelona - 7/2
PSG - 5/1