The 22-year-old Nigeria international has been the subject of repeated speculation throughout the summer since it emerged he has a £13million buy-out clause in his contract at St James´ Park.
But Allardyce said: "There has been speculation about Obafemi Martins every week since I have been here, and he is still at Newcastle. I have had no contact from any football club, either in this country or any other country wanting to activate Obafemi Martins´ clause."
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