Andriy Shevchenko will take another 24 hours before deciding if he wants to join the Premiership champions.
It was expected that the AC Milan striker, would announce he was leaving the San Siro and head to London to become Jose Mourinho's second major coup of the summer after signing German captain Michael Ballack on a free transfer two weeks ago.
But the Ukraine captain's meeting with Milan vice-president Adriano Galliani to dicuss details has been postponed from this afternoon until tomorrow.
It's being reported Chelsea are offering £35m for the 29-year-old hitman and £130,000 per week wages.
But Milan are still keen to keep him.
Shevchenko joined Milan from Dynamo Kiev in 1999 and has scored 19 Serie A goals this season