The Dutch winger has been linked with a move to Craven Cottage for the past several weeks.
An agreement with the player is already in place, but the two clubs have yet to finalise a fee, with Roma unwilling to accept a £2.5m bid plus add-ons for Kluivert.

Kluivert’s agent is now in London today to try and ‘unlock the transfer’, with all parties hoping to reach an agreement.
The twice-capped Dutch player is no longer in Jose Mourinho’s plans at Roma after going out on loan to Nice last season.
Kluivert was once compared to Neymar as an emerging talent at Ajax, but has yet to rediscover that form outside of the Netherlands.
Fulham yet reach agreement for Kluivert
Fulham have had a steady start to life back in the Premier League after winning the Championship last season.
Marco Silva’s side drew with Liverpool on the opening day, before being held to a draw by Wolves.
A last-minute derby day win against Brentford courtesy of an Aleksandar Mitrovic header sent Craven Cottage into raptures and briefly left Fulham in the Champions League places.
The Whites have suffered an injury crisis in the wide areas, with Harry Wilson and new signing Manor Solomon both unavailable for the foreseeable future.

Silva handed academy prospect Jay Stansfield a first league start on Saturday, and although he delivered an impressive performance, Fulham need more cover in that area.
Kluivert would certainly provide that as a right-footed left winger, as he could adapt to playing on either side.
Fulham are still trying to strengthen in other areas, and are in pole position to bring a Premier League striker to the club.
They’ve also been allowing Willian to train at the club, and a move for the Brazilian is still under consideration.
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