One of French football’s great promises, the 19-year-old midfielder is entering the final year of his contract.
United will hope to hang on to Traore, but the player could be tempted by a faster pathway to the first team.
According to France Football, Benfica have a ‘clear interest’ in Traore and have a history of fast-tracking youngsters to the first-team.
Scottish giants Celtic and Rangers are also interested in Kamara, a France under-19 international.
And a number of Ligue 1 clubs in his homeland are monitoring his situation closely.
Kamara has yet to debut for Ole Gunnar Solskjaer’s first team, but features regularly for their under-23 side.