Should the 25-year-old agree personal terms with the club, he'll become the most expensive goalkeeper in footballing history, smashing the record which previously stood at £34.7M - which Manchester City paid to bring in his countryman Ederson to the Premier League last summer.
"I'm really happy, it's a dream come true to wear such a prestigious shirt for a club of this size that is used to always winning", the Brazilian told Liverpool's official website.
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Liverpool have already signed Fabinho, Xherdan Shaqiri and Naby Keita this summer.
The Egyptian enjoyed a stunning debut campaign at Anfield as he scored 44 goals but his former side coped without him as they reached the Champions League semi-final, narrowly losing to the Reds as Salah got on the scoresheet.
Talks progressed quickly this week as Liverpool sought to head off competition from Chelsea, with a deal agreed as the Londoners waited to sell Thibaut Courtois to Real Madrid.
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"Liverpool FC needs just the highest quality goalkeepers and that's what we have at the moment, we'll see now what we do in the next few weeks".
It is believed that Hazard could call for a deal similar to that of Neymar's a year ago when the Brazilian signed with Paris Saint-Germain from Barcelona, one that came out to approximately $263 million.
But in Alisson, Liverpool have found a goalkeeper who is both reliable and agile, has great reflexes and remarkable footwork and, in the past, has proven to be a great leader with global experience. "I want them to know we're working to build a stronger team".
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