Romelu Lukaku's goalscoring record should have earned him more respect in England, according to Belgium boss Roberto Martinez.
Manchester United sold 26-year-old Lukaku to Serie A side Inter in August for a reported €80 million (£74m/$90m).
The striker hit 27 competitive goals in his first season at Old Trafford but that figure fell to 15 last term as critics questioned aspects of his game and conditioning.
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Martinez managed the former PFA Team of the Year member at Everton, and is in charge of the striker at internatiional level.