Manchester United prospect Amad was at the heart of the team’s strong attacking play in the friendly match with Real Betis. The star of Manchester United’s pre-season so far has been Amad Diallo, and that was even before last night’s friendly with Real Betis kicked off. Amad scored one of Manchester United’s goals in the 3-2 win against Betis, underlining his star quality and growing importance to the team. Erik ten Hag praised Amad after the game, lauding his pressing and work off the ball. Former star Denis Irwin agreed, while picking out another aspect of his game. READ MORE: Manchester Uni…