Liverpool have agreed a deal in principle with Schalke to sign central defender Ozan Kabak on a six-month loan with an option to buy.
The 20-year old Turkey international has already undergone a medical in Germany and he has boarded the plane to Finalise his move to Liverpool.
Liverpool will pay a loan fee of around £1m for his services for the rest of the season.
A potential further £500,000 in extras rests on appearances and performance in the Champions Le ague.
Liverpool will then have an option to buy Kabak at the end of the loan, with a price set at £18m plus add-ons.
It is understood that Kabak came strongly recommended to Jurgen Klopp by his good friend – and former Schalke boss – David Wagner.
There were also glowing reviews from Christian Heidel, who has been a key figure at both Schalke and Mainz in Germany.
Liverpool will now be able to watch Kabak at close quarters, to see if he can live up to the recommendations before they decide whether to make the move permanent in summer.
Schalke were unwilling to let Kabak leave without a replacement and have moved to secure Arsenal defender Shkodran Mustafi after the German terminated his contract at the Emirates Stadium.
Schalke paid £13m for Kabak in 2019 From Galatasaray and he is contracted to the Bundesliga club until 2024.