The 22-year-old, left out of France’s World Cup squad, has come in for criticism from Jose Mourinho over his workrate. Mourinho made it plain that Martial’s performances were inadequate following defeat at Brighton last month.
Martial’s contract runs out at the end of next season, although United have an option to extend that until 2020.
Lamboley went on to claim Martial would see out his deal and leave on a free if Mourinho refused to sanction a move.
‘It is a well-considered decision. He is under contract, United will have the last word and we will respect the decision of the club, it will go to the end of its commitment,’ he added.
‘We do not have the same vision on Anthony’s future. Without the unconditional support of the fans, Anthony would have already asked to leave United.
‘I will not comment on the consequences of the January transfer window. Everyone will have his opinion, I think he must resume the course of his career. The time has come.’
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