Birchall praises mentality in cup winArsenal U18s dominated Peterborough 4-0 in the Premier League Cup. Marciniak opened the scoring, O’Neill netted twice, and Bailey-Joseph sealed the victory. Coach Birchall praised the team’s mentality and O’Neill’s five-goal start to the season, highlighting his adaptation to a new striker role. Bailey-Joseph’s versatility on both wings also impressed.