AC Milan's on-loan striker Gonzalo Higuain remains in Italy as the club for his approval.
The 31-year-old, on loan from Juventus, has not travelled with his team-mates to Monday's Serie A game at Genoa.
Talks are continuing over a deal that will take him to Stamford Bridge.
Milan is hopeful of signing Genoa striker Krzysztof Piatek, enabling Higuain's move to Chelsea.
Genoa's general director Giorgio Perinetti has said Italian radio a meeting over Poland international Piatek, 23, will take place after today's game and a conclusion 48 hours within one way or another expected.
If agreement is reached on the proposed movements, financial negotiations and medicals will be possible.
Higuain's spell at Milan starts well, with the Argentina international score six goals in five games for the 18-time Italian league champions.
However, he has only found his last 12 appearances.