FORMER Manchester United interim manager Ralf Rangnick has declared Christopher Nkunku agreed to join Chelsea "far too early".
The RB Leipzig star is expected to join the Blues at the end of the season in a deal worth a reported £63million.
But the 25-year-old will arrive at Stamford Bridge with the club in turmoil.
Chelsea are currently slumped 11th in the Premier League table having sacked Thomas Tuchel and Graham Potter this season.
The Blues have spent over £600million over the last two transfer windows, and Nkunku is set to join the long list of new arrivals at the club.
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Rangnick has hit out at Chelsea's transfer strategy, something Blues star Thiago Silva also slammed in recent days.
And Rangnick claimed Nkunku has made a decision on his future far too soon.
He told ZDF sports, via German newspaper Bild: "At the moment, no matter who comes as a coach, you can't really recommend anyone to go there (to Chelsea).
"The very first thing to do is establish some sort of strategy and reduce the squad to a reasonable size that any coach can work with.
"I'm also thinking of a player whose commitment to RB Leipzig I was at least a little involved in - Christopher Nkunku - for me one of the best attacking midfielders currently available.
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"And who, in my opinion, decided to move to Chelsea far too early."
Rangnick also said he would be "worried" if he was a representative for Nkunku.
He added on the attacker: "Imagine he comes to a club that is in the state it is at the moment. Such an outstanding player.
"This hurts my heart personally. If I were his advisor or his father, I would be very worried right now."
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Nkunku has played 28 games in all competitions this season - scoring 17 goals and providing two assists.
