Lewis Hall faces Lamine Yamal on Wednesday night.
Kieran Trippier believes Hall has the attributes to excel.
Hall is being compared to top left-backs globally.
Briefing: The 'anti-Lamine' backed to be one of best in world
Strategic angle: Newcastle United defender Lewis Hall renews hostilities with Barcelona star Lamine Yamal, with Kieran Trippier praising his potential.