The form of Romelu Lukaku led to former Chelsea manager Jose Mourinho facing uncomfortable questions as his second spell at the club came to an end.
This has been reported by Neil Moxley of the Sunday People, who has revealed that Lukaku's scintillating form for Everton was being used against Mourinho while he was in charge at Stamford Bridge.
Before Mourinho's departure, Luakaku had struck in six consecutive Premier League games - seven in all competitions - and the Belgium striker continued his superb run of form by netting against table-toppers Leicester City yesterday afternoon.
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Mourinho, of course, sanctioned the sale of Lukaku in the summer of 2014 after the Belgium international he failed to come to prominence in west London.
However, while the attacking trio of Diego Costa, Radamel Falcao and Loic Remy continue to struggle at Chelsea, Lukaku is going from strength-to-strength.
Still only 22, Lukaku is recognised as one of the leading young strikers in European football, so it's not entirely surprising that Mourinho had previously been questioned about his decision to let the player leave permanently.
Of course, Lukaku wasn't the only high-profile player to leave the club under his regime; the duo of Juan Mata and Kevin de Bruyne - who are at Manchester United and Manchester City respectively - have also departed the club in recent years.
With Mourinho out the way, it's now up to new manager Guus Hiddink to get things back on track over the coming weeks and months.
Chelsea fans: was the sale of Lukaku Mourinho's biggest mistake? Have your say below!