The Reds completed a £39m move to Liverpool FC from Ligue 1 side AS Monaco on Monday evening to become Jurgen Klopp’s first summer signing.
Fabinho has signed a long-term deal with the Merseyside outfit despite having been previously linked with a switch to Manchester United.
Liverpool FC lost Brazil international Philippe Coutinho to La Liga giants FC Barcelona in a £142m deal in the January transfer window.
Lucas Leiva quit the Reds to move to Lazio last summer to leave Firmino as the only Brazilian left in Jurgen Klopp’s squad.
However, the 24-year-old will be tasked with improving their options in the middle of the park amid continued uncertainty surrounding Emre Can’s future.
Speaking to Liverpool FC’s website about the role Firmino played in his transfer to Merseyside outfit, Fabinho said:
“Yes, we spoke a bit more about how the city was, about the infrastructure of the club, the city and we also spoke about the coaches and how they do their work.
“So I was able to know a bit more about Liverpool through Firmino. I had been with him at the Brazilian national team on a few occasions. I know he’s a fantastic person, his background is from nice people.
“He is also very good for someone who comes to a new country, a new city – someone who speaks the same language. This will of course make the adaptation much easier.”
Liverpool FC lost 3-1 to La Liga giants Real Madrid in the Champions League final in Kiev last weekend.
The Reds finished in fourth place in the Premier League table to secure a Champions League spot for the second successive season.
The Merseyside outfit haven’t won the Premier League title but finished in second place in 2002, 2009 and 2014.
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