Liverpool goalkeeper Alisson has enjoyed a superb season so far, with the number one keeping three successive clean sheets. Alisson shone against Manchester United, with the match representing the first major test for Arne Slot at Liverpool. But the Dutchman and his players passed the test with flying colours, with Luis Diaz scoring twice and Mohamed Salah adding a third. Both attackers have scored three goals so far this season, with the duo certain to want to add to their tallies against Nottingham Forest on Saturday. Salah also has three assists to his name, with Diaz on one, while fellow f…