Niasse has been frozen out by the Everton manager Ronald Koeman

Oumar Niasse’s proposed £7 million move from Everton to Crystal Palace collapsed after demands from his representatives for a six-figure agents’ fee were rejected.

Niasse had travelled to Palace’s Beak Street office on deadline day and underwent a medical, but the transfer, which included provision for an extra £1 million payment in add-ons, did not materialise, leaving the player in limbo once again.

Everton had refused to countenance paying his representatives earlier in the day when their good relationship with Palace had resulted in the deal being brokered in the first place.

And it is understood Palace officials became increasingly exasperated during negotiations having submitted a deal sheet before the 11pm deadline to the Premier League which allowed them two additional hours to submit the