Didier Drogba's autobiography may hold the key as to why Jose Mourinho is struggling at Chelsea.
The Special One is under increased pressure at Stamford Bridge following the Blues' disastrous start to the season that sees them lie just three points above the relegation zone.
And in his new book, the Ivorian striker talks about what went wrong during Mourinho's first spell at the club, and there are some striking similarities.
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The Montreal Impact forward describes how he felt things came in three-year cycles and how in the Portuguese's fourth season at the Bridge, the wheels began to come off, sound familiar?
As per the Mirror, he wrote: “I believe things often come in three-year cycles (and) we had arrived at the end of such a cycle.
"By the start of the fourth (season) that Jose had been in charge, I think we had started to reach a point where it was sometimes harder for his message to get through. We wanted to hear it, we tried, but somehow we had lost a little bit of what made us special.”
The three-year curse has often been associated with the Special One but has often been dismissed as a myth.
However, there is something seriously wrong in west London and may the 'curse' is a serious problem Mourinho faces.
The Blues did look better during their game with Stoke City but ultimately fell to yet another defeat to heap more pressure on the three-time Premier League winner.
The boss has the international break to mull over his current issues before a home game with Norwich City. Anything less than a win could spell the end of Mourinho at Chelsea.
Chelsea fans, do you believe in the three-year curse or can Jose Mourinho turn it around? Let us know what you think by leaving a comment below