Niang's agent Stephane Courbis confirmed that he held talks with Hammers boss Sam Allardyce but did not think a move to Upton Park was the 'right choice' for the 19-year-old, who spent last season on loan at Montpellier.
He told TMW: "On Monday I met with West Ham, who were interested in the player.
"The Hammers would like him on loan, but I don't think it is the right choice, so I excluded it.
"We prefer a permanent deal and we seek a coach who strongly believes in Niang."
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