The midfield schemer is the most exciting talent to emerge in France in recent years and has attracted enquiries from Lyon and Marseille.
However, L'Equipe says Sochaux's asking price is too rich for their French rivals.
Instead, Arsenal and Liverpool have moved for Martin, with claims that both clubs have indicated a willingness to pay €7 million for the midfielder - which is still €2 million short of Sochaux's valuation.
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