Alisson believes Liverpool will come up against the "best team in the world" when they face Manchester City in the FA Cup semi-final.
The Reds still have their sights set on the quadruple but will need to overcome Pep Guardiola's side at Wembley if they want to pull off the feat. It was only six days ago that the two teams last squared off, producing a sensational game as they drew 2-2 at the Etihad.
That result means the destination of the Premier League title is in City's hands, due to the one point lead they hold over Liverpool. The two teams haven't been separated in their two games so far this season and the Reds' goalkeeper knows exactly the type of challenge they will face in London.
"It’s amazing if you are there, because you are performing well, you are in a top level," Alisson told Liverpool’s website. "I see Man City as one of the biggest teams in the world – maybe the best football team in the world right now. It’s a huge challenge for us and for them.
"We are in a good situation in this season, particularly because we put ourselves there and getting the results and having an open race for the title because of the things that we did so far. Being in this position, having a big game mixed with the passion of all the world, is something that you want as a top-level player. So, I’m really happy to be here in this moment."
Liverpool and City have won the last four Premier League titles are one of them with further extend that run. They are a cut above the rest in England, with their stalemate in Manchester last week drawing huge praise due to the quality on show.
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Jurgen Klopp insists he nor the squad are discussing the potential of finishing the season with four trophies. The Reds have already claimed the Carabao Cup but the German insists they are simply taking one game at a time rather than dreaming of a unique achievement.
He claimed: "We don't think about the quadruple, how could you? Imagine I would sit here, you would not ask me about it and I would just constantly start referring about the quadruple – you would think I'm completely mad. It's a massive [game]. We play three days later against Man United, right?
"We are not short of confidence or whatever, or we don't need another reason that we want to be successful. Yes, winning against City would be outstanding but it doesn't happen too often to nobody in the world of football. So if you can achieve it, outstanding."
