Fulham are finalising their £6.4m deal for Wolfsburg's Switzerland international right-back Kevin Mbabu.
The 27-year-old had the second part of his Fulham medical in Portugal on Saturday ahead of completing his move.
He is expected to return to London with the rest of the squad on Monday, when they arrive from their pre-season tour of Portugal.
The 27-year-old is entering the final year of his contract and is believed to be in search of a new challenge after joining Wolfsburg from Swiss side Young Boys in 2019.
Fulham have been tracking the attacking full-back for some time and he is no stranger to English football after a four-year spell with Newcastle United between 2013 and 2017.
He signed for the Magpies after a successful trial but injuries and a lack of first-opportunities under boss Steve McClaren resulted in loan spells with Rangers and subsequently Young Boys
Mbabu will become the Cottagers' third signing of the summer, following deals for Sporting's Joao Palhinha and Manchester United's Andreas Pereira.
On the announcement of his signing, Pereira said: 'I'm very happy to be here and I can't wait to start the season with Fulham.
'I want to help Fulham as much as I can to be where they belong. Marco Silva was very important for this. I spoke a lot with him, and he was a key factor in me being here.'
Israeli winger Manor Solomon is close to sealing a loan move from Ukrainian side Shakhtar Donetsk but Fulham are awaiting FIFA ratification before he can join the club's training camp.
