Marseille manager Andre Villas-Boas has admitted he is still looking to strengthen his squad having already purchased Pape Gueye.
The 21-year-old Franco-Senegalese midfielder was snapped on a free transfer in July after his contract at Ligue 2 side Le Harve had expired.
He had initially signed for relegated-Premier League club Watford but called the deal off due to irregularities in his contract.
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He is gradually integrating himself with the club and has played in four pre-season friendlies, three of them ending in victories and the other a loss to 30-time German champions Bayern Munich.