The Brazil international has impressed during his debut campaign at Anfield, but John Achterberg believes a superstar goalkeeper can still improve
Alisson has enjoyed a stunning debut campaign at Liverpool, claiming the Premier League Golden Glove, but John Achterberg claims there is even more to come from a £65 million ($83m) signing.
Jurgen Klopp moved to snap up the Brazil international during the summer of 2018.
With Simon Mignolet and Loris Karius having failed to convince between the sticks, the Reds invested heavily in an effort to fill a problematic position.