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According to Bild via The Sun, Chelsea have already held talks over a potential summer deal to land Dayot Upamecano.
The report claims Chelsea boss Thomas Tuchel has made the 22 year old French defender top of his priority list and is keen to bolster his defensive ranks at the end of the season.
Tuchel reportedly sees Upamecano as long-term successor to Thiago Silva who turns 37 later this year.
Upamecano has a £38million release clause in his RB Leipzig contract and is also wanted by Manchester United, Liverpool and Bayern Munich.
Bild claim Chelsea chief Marina Granovskaia has already held talks with Upamecano’s agent ahead of a summer transfer.