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But having been so comprehensively swept aside down by the River Thames during a tortuous 45 minutes for Slot, he will know he will need to give a flea in the ear of two or three to make sure such a lethargic displays don't become commonplace between now and May 25.
Liverpool's imposing lead, which now stands at 11, might be aided further by an Arsenal who, judging by the team selection at Everton on Saturday, seem to be preoccupied by the small matter of a Champions League quarter-final with Real Madrid.
In the week when the mortality of Premier League superstars was brought into sharp focus by the news that Kevin De Bruyne is to depart Manchester City after a decade of excellence at the Etihad, the sight of Salah turning in another ordinary performance was a worry.
The introductions of Harvey Elliott, Conor Bradley and most notably Diaz helped steer the flow of traffic the way Slot would have wanted and none of the trio deserved to be on the losing side.
What is undoubtedly a concern for Slot is the overall standard of performance since the Champions League smash-and-grab in Paris.
The big day is surely still coming but there remains a job to do and Slot will undoubtedly make that crystal clear in the days that follow
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