Kambwala, a central defender, turns 16 next month and could be on the move to England.
Man United recently came forward and expressed interest in Kambwala, while Liverpool are also ‘on the move’.
Kambwala is a France under-16 international and is already 1.92m (6’3″) tall.
Atalanta bid for Lacroix
Meanwhile, another of Sochaux’s talented youngsters is in high demand.
Roma, Lyon and two German Bundesliga clubs are also courting 20-year-old Lacroix after he made 20 league appearances this season.
Sochaux do not intend to let Lacroix go for anything below €5m.