Joel Matip admits it will take more than one simple fix to solve Liverpool's early-season problems as he lifted the lid on the painful post-mortem following last week's Italian horror show.
The Reds suffered their heaviest defeat in European competition for 56 years when they were thrashed 4-1 at Napoli in their Champions League group opener last Wednesday.
With the weekend Premier League game at home to Wolverhampton Wanderers having been postponed due to the death of Queen Elizabeth II, Jurgen Klopp's side have had almost a week to contemplate the defeat as they prepare for Tuesday's visit of Ajax.
