Jurgen Klopp's summer signing from Leipzig has been injury-hit and is yet to blossom despite the Reds' excellent start to the season
Sadio Mane is certain Naby Keita will achieve greatness at Anfield despite a stuttering start to his Liverpool career.
Keita showed flashes of promise in the opening weeks of the season but is yet to find the form that won him widespread admiration at RB Leipzig.
The Guinea midfielder's adjustment has been stalled by a hamstring strain which sidelined him for a month.
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But Mane, who played alongside Keita at Austrian side Salzburg, believes the 23-year-old will in time prove his talent in the Premier League.