Antonio Rudiger is reportedly furious with Chelsea's latest contract offer.
The Germany international can sign a pre contract agreement with foreign clubs in January as his contract expires next summer.
Bayern Munich, PSG, Juventus and Real Madrid are all keen to take up that option.
The Blues are keen to keep ahold of Rudiger, who has become a regular under Thomas Tuchel, but the two parties are worlds apart on terms.
The physical centre-back has described the offer as a 'slap in the face'.
Despite interest from European powerhouses, Rudiger would prefer to stay at Stamford Bridge.
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