Lukaku has been about 100 kg since he joined Anderlecht at the age of 16, according to Belgian journalist Kristof Terreur.
Terreur said: 'When Lukaku arrived in the first squad of Anderlecht, at the age of 16, his weight was 100 kg. (And bench pressed 100 kg)'
'When he joined Chelsea at the age of 18 he was 101 kg.'
'At Everton he played at 99-100 kg.'