Manchester United have included promising young defender Harry Amass in a first team training session. Erik ten Hag put the Manchester United first team squad through their paces on Wednesday, and as he often likes to do, included a handful of youngsters as part of the session. One very notable name, wearing the number 70 training kit, was talented left-back Harry Amass. United’s squad were stepping up preparations for this Sunday’s Premier League game at Aston Villa. Manchester United fans have high hopes for Harry AmassManchester United signed Harry Amass in the summer from Watford. The youn…