Romelu Lukaku's apparent 'reluctance' to use has led to his struggles at Chelsea this season.Lukaku returned to Stamford Bridge for a club-record transfer fee in the summer following an impressive two-year spell at Inter Milan.
But he has found it difficult to live up to his hefty price tag since then, scoring just five goals in the Premier League so far this term.
Rumours of his unhappiness and a desire to leave have plagued his campaign, with boss Thomas Tuchel rebuking him at several points.
Tuchel has even taken to leaving the Belgian out of his starting line-up in recent weeks, with Lukaku's last top-flight start coming when he made just seven touches against Crystal Palace.
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