Ayite, 27, has penned a three-year deal at Craven Cottage, with the Championship club holding an option for a further 12 months.
Jose Mario Mourinho Jr. has signed a two-year scholarship contract with Fulham.
Steven Fletcher has joined Sheffield Wednesday on a four-year deal following the expiry of his Sunderland contract.
Newcastle United have completed the signing of Matt Ritchie from Bournemouth for an undisclosed fee.
Crystal Palace have signed Andros Townsend from Newcastle United for £13 million on a five-year contract.
Newcastle United have completed the signing of striker Dwight Gayle from Crystal Palace for £10 million.