The Clarets stopper, once of Man United, and his Toffees counterpart are both in the latest England team.
The Toffees ace has made the number one jersey his own for both club and country, and was crucial in helping the Three Lions reach the semi-finals of the 2018 World Cup in Russia.
However, this term Pickford has made a number of mistakes, such as the late blunder to gift Liverpool's Divock Origi the winner in December and his overall display in the 3-2 loss against Newcastle United earlier this month.
His error for the Magpies' equaliser was his fourth leading to an opposition goal this season and seventh error leading to either a shot or a goal, both higher than any other player in the Premier League this term (BBC Sport).
Heaton, who is competing with Pickford for the right to don the England jersey, is quoted by the Independent as saying: "I think he's been outstanding wearing the England shirt. I thought he was incredible in the summer at the World Cup. I thought his performances were top drawer.
"It's never an easy thing to do to put an England jersey on but I thought he did it superbly well. You compete for the place because everyone wants to play. You try and get your things right and see what the manager decides."
When asked about his rival's drop in form and whether he could now oust him for the country, Heaton replied: "I don't tend to look at it like that, to be honest. I have to say. I think, for me, it's about myself, what I do, what each individual does."
Heaton, who came through the ranks at Manchester United and was on their books until 2010 (Transfermarkt), has not played for England since the 3-2 defeat to France in June 2017, having missed 18 months with a shoulder injury before picking up a calf problem last summer (Lancashire Telegraph).
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