Erling Haaland opened his Manchester City goal account and demonstrated the huge threat he will pose this season as the champions began the defence of their Premier League crown in impressive fashion at West Ham United.

The brilliant 22-year-old Norwegian striker delivered exactly what City manager Pep Guardiola wanted following his summer signing from Borussia Dortmund when he gave City the lead from the penalty spot nine minutes before half-time, after he was brought down by West Ham's substitute goalkeeper Alphonse Areola.