Mourinho’s biggest and worst mistakes as Chelsea manager including Champions League loss and Shevchenko signing

7. Tactical decisions against Middlesbrough

There must be something about the north-east that makes Mourinho’s tactical nous turn to mush, as Boro inflicted the heaviest defeat on Mourinho during the 50-year-old’s time in west London with a 3-0 loss at the Riverside Stadium.

Some dubious tactical decisions from the coach – such as Michael Essien having to play at left-back – saw the Blues collapse.