Former England international, Gary Lineker, has hailed Arsenal goalkeeper, David Raya following his impressive display in the Premier League victory over Aston Villa at the weekend. Lineker believes the Spain international must now be viewed as a ‘world-class’ goalkeeper. Recall that Raya produced a sensational save to deny Aston Villa striker Ollie Watkins after a deflected shot struck the bar during Arsenal’s 2-0 win at Villa Park. “Mikel Arteta is clearly not frightened of making big decisions,” Lineker said on The Rest is Football podcast. “This time last year we were questioning why he wa…