Jose Mourinho was originally praised for the excellent work he executed with regards to Chelsea's transfer business. He turned them from contenders to champions whilst turning a significant profit through player sales; a feat few managers have been able to achieve.
However, with the Special One now gone, the effects of his firesale of Chelsea's young and flourishing talent is starting to give Stamford Bridge officials a headache.
Not only are they having to deal with the fact that Kevin De Bruyne, who Mourinho sold to Wolfsburg in 2014, is now the Premier League's second most expensive player ever, but they may also find themselves paying a lot more for a certain striker than they otherwise would have.
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According to The Telegraph, Chelsea are planning to buy back Romelu Lukaku from Everton, just two years after they sold him in a £28million deal. The Belgian star has flourished since leaving west London and is now valued at a massive £65m by the Toffees.
But if it had not been for Mourinho's poor advice, the Blues could be getting Lukaku back for significantly cheaper. The same report claims Mourinho advised Chelsea against asking for a buy-back clause, instead insisting that they maximise the transfer fee.
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Those involved in the deal had been open to inserting some form of buy-back clause that would both guarantee a profit for Everton and allow them to pay a lower fee. In exchange, Chelsea would get the chance to re-sign the young striker under market value should he reach his potential at Goodison Park.
Mourinho, however, was certain that Lukaku would not reach the required level to convince him to bring him back to Stamford Bridge. He felt that inserting such a clause and accepting less money would be a pointless venture for the club he had planned to reside over for many more years than he did.
Chelsea, too, assumed the Portuguese would be in charge for the long-term so acquiesced on the subject. However, with Mourinho gone, they are now free to regret their decision with some officials believing Lukaku was not given enough of a chance under the Special One.
Lukaku has since proved his worth in the Premier League. He has 18 goals in the league this year and even knocked his old side out of the FA Cup with a well-taken brace. As a result, Chelsea are not to only ones interested in signing him with Manchester United, PSG and even Real Madrid reportedly monitoring his progress.
The 22-year-old would be open to a return to Stamford Bridge even though they will not participate in Champions League football next season but is sure to have plenty of offers on the table.