But Lukaku is keen to return to Chelsea as he believes he has unfinished business at Stamford Bridge.
During his time at the club he managed just 10 Premier League appearances and started just one game before being cast out.
However, given Lukaku's rise to stardom following his Chelsea exile and Roman Abramovich's clear desire to bring him in this summer, the 28-year-old knows he will be valued at the club.
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