Tottenham could end up facing a player that they have had on their books for over two years as Thomas Frank's side return to Champions League action for the first time since 2023.
Spurs gained entry to this year's competition after ending their trophy drought in some style at the end of the last campaign.
Under former manager Ange Postecoglou, the north London side beat Premier League rivals Manchester United in the final of the Europa League - booking their spot at Europe's top table this term despite a woeful domestic finish.
But Spurs fans will be looking forward to testing their side against Europe's best after a promising start to the season on home soil.
Despite a maiden defeat to Bournemouth ahead of the international break, Tottenham have scored an impressive eight goals since the start of the season, and netted an impressive scalp in the form of a 2-0 win against Manchester City.
However, as the players begin their European journey against Villarreal on Tuesday evening, they could do so against a familiar face.
Spurs loanee Manor Solomon has been named in the LaLiga side's List A squad for the league phase of the competition, after joining the club on loan for the season.
Unlike the Premier League, loanee players are able to face off with their parent club in Europe.
Although Solomon is yet to make an appearance for his new club under manager Marcelino, but will be keen for minutes after opting to spend a second consecutive season on loan.
Israeli star initially moved to the Premier from Shakhtar Donetsk in the wake of the Russian invasion of Ukraine in 2022, booking a loan move to Fulham.
The 26-year-old then transferred permanently to Spurs in 2023, but sat out the entirety of the 2023-24 season after suffering a right knee meniscus injury.
Solomon spent the last campaign helping Leeds achieve promotion back to the Premier League on loan.
Daily Mail Sport reported on Sunday that a planned move closer to home was initially mooted.
Solomon's failed move to Crystal Palace was one of the casualties of Marc Guehi remaining at Selhurst Park instead of transferring to Liverpool on deadline day.
The two clubs had even prepared a deal sheet rubber-stamping Solomon's move, before it was eventually called off - opening the door for Villarreal.
In June, Spurs came under fire for blocking some accounts responding to images reposted by the club of Soloman's wedding.
The player has been vocal in his support of his homeland - where the wedding took place - amid ongoing conflict in the region and Israel's continued bombardment of Gaza.
Tottenham apologised for the 'error of judgement' which saw some accounts manually blocked.