Watford have pulled off a coup with the £11.2million signing of Brazilian forward Richarlison.
Chelsea had also made enquiries for the exciting 20-year-old from Fluminense while Ajax had agreed personal terms on a four year contract.
Watford will now see if they can gain a work permit for Richarlison and may have to send him out on loan to sister club Udinese should they fail to convince the appeal panel.
Fluminense president Pedro Abad confirmed: 'It is official.