"The issue is Courtois is heavily linked with Real Madrid", he said.
Brazilian goalkeeper Alisson is preparing for the nation's opening World Cup match against Switzerland next Sunday by performing some silky skills in the nation's recent training session.
While a great deal of signing a player from another club has to do with getting his current employers to release him, equally important is getting that player to agree to move to a new city or even a new country.
Firmino said: 'Every once in a while I give him a pinch to come to Liverpool to help us and such, but it's with his agents.
Liverpool striker Roberto Firmino has admitted asking his compatriot Alisson to join him at Anfield.
Not only has the German signed Fabinho from Monaco, but he's working on deals to bring the likes of Nabil Fekir, Moses Simon and Alisson to Anfield.
Firmino and the 25-year-old keeper have linked up ahead of the World Cup in Russian Federation and Liverpool supporters are hopeful that the attacker can persuade the goalie to come to Anfield, the same way he did with Fabinho.
"This will of course make the adaptation much easier".
Firmino signed a new five-year deal with Liverpool at the end of April, and his affinity with the club is as vital as his contributions as Klopp's unique No. 9.