Goal.com's Greg Stobart has reported a dressing room revolt is likely to be the final straw for the under siege manager.
Abramovich will reportedly make a decision on Mouriho's future during the two-week international break, with the owner of the reigning champions already in contact with several potential replacements.
Eden Hazard, Oscar and Nemanja Matic are among the more disillusioned Blues players while sources say the dressing room has badly missed the influence of departed senior players such as Didier Drogba, Petr Cech and Frank Lampard.
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