Everton boss Carlo Ancelotti has still only tasted defeat once since arriving at Goodison Park.
Walcott scored the winner in Everton’s last match, as he helped his side to a 3-2 win over Watford.
Pickford, though, did not cover himself in glory in the same game.
The England international goalkeeper has been guilty of making a series of errors this term.
And Nicholas thinks that Pickford should be stripped of his title as England’s number one.
“The form of Dominic Calvert-Lewin has been promising, while Walcott has improved, with his pace and movement a constant threat,” Nicholas said when talking about Everton.
“Richarlison is down the left and they have some tidy enough midfielders to complement their attack but it is the defence that is the worry. They look so vulnerable. Jordan Pickford cannot be branded as England’s No. 1. He looks off it.”
Everton have let in 37 goals so far this season, which is a higher total than any other team in the top half.
Since Ancelotti came in, Everton have lost just one game, so the Italian boss may be keen to stick with his current team, which is in good form.
The Toffees are next in action against Crystal Palace at the weekend.
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