Chelsea will be looking to move some players from Stamford Bridge this summer but one player they must keep is the talismanic Oscar.
The likes of Fernando Torres and Demba Ba will likely be out the door in west London when the transfer window opens.
And it now looks as though Chelsea may have to fight off suitors in order to keep their Brazilian midfielder at the club.
PSG could face competition for the Brazil international, with Barcelona and Monaco also weighing up offers.
PSG’s interest in Oscar is strong but it remains to be seen whether an official bid is lodged in the next few months and whether Chelsea could be tempted to sell the 22-year-old.
Even if an offer were to come in for Oscar, Jose Mourinho must keep him at the club as he has become a pivotal member of the team.
The high standard of the clubs he is linked with are a measure of his quality.
To let him go would be a setback to the project Mourinho is running at the club, which currently sees them seven points clear at the top of the Premier League and still in the Champions League.
It is undeniable Oscar's form has dropped since the turn of the year.
He has not scored since New Year's Day against Southampton in the league and some have called for him to be dropped from the side.
But a small slump in form is not a reason to sell such an asset. The Chelsea boss was so convinced of the 22-year-old's talent in the first half of the season that he built a team around him.
"I feel sorry that I didn't make him [Mata] happy," he said at the time, according to the Daily Express. "But football is football and I build a team around Oscar in that position."
Oscar, who arrived from Brazilian club Internacional in July 2012 for £25 million, was the creative force around which Chelsea worked in the first half of the season.
He scored five goals in the first 12 league games of the season, and one of the reasons for him being preferred over Mata was the fact he tracked back as well.
These are not qualities Oscar has suddenly lost.
He is a goalscoring creative midfielder who does not shirk defensive duties. There are not many other players like him.
Furthermore, while Oscar has been out of form others have picked up the slack.
With the likes of Eden Hazard in the side, the scorer of 13 league goals this season, Oscar can be given time to play himself back into form.
If Chelsea sell him on, no matter what price they get, they will struggle to find a replacement that fits into their system as well as Oscar.
And with the Blues already in need of at least one or two top new strikers they would be ill-advised to tinker with their winning team too drastically.
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