Sarri will hope to get the best out of Higuain, whose form in Naples saw him land a move to Juventus in a mouthwatering £77.9m move three years ago.
Higuain is keen on a move although Chelsea director Marina Granovskaia has reservations, with the Stamford Bridge outfit reluctant to offer big contracts to players over the age of 30.
Higuain had his most successful season under Sarri, breaking the Serie A goalscoring record with 36 goals in the 2015/16 campaign.
Stone, though, thinks Bournemouth's £50m valuation of Wilson is fair considering the homegrown quota Premier League clubs have to meet.
China-US trade talks have laid foundation for a deal, ministry says
Asked about his presence on Tuesday, Lu from the foreign ministry said it wasn't surprising for Liu to be there. It said US negotiators would await "guidance on the next steps" after reporting back to Washington.
England worldwide Wilson has found the back of the net nine times in the Premier League this season and has registered five assists.
One stumbling block is that Milan wants a replacement for Higuain before allowing the Argentine to leave.
"He has to make a decision and take on his share of the responsibility", said Leo.
"He had a tough moment, he has to put it behind him and get to work".
Gonzalo Higuain's agent has travelled to London as Chelsea look to push through a deal for the AC Milan striker.
Chelsea, for their part, are in need of a striker after deploying Eden Hazard as a false nine for a large chunk of the season.