Manchester City striker, Erling Haaland, bagged three goals as they beat Chelsea 4-2 in a pre-season friendly on Saturday night. Haaland, who has been looking sharp in front of goal ahead of the new season, scored two goals within five minutes. On the two occasions, the Norway international pounced on defensive mistakes from Enzo Maresca’s men. Haaland opened the scoring from the penalty spot, before curling in the second with his right foot. Oscar Bobb made it 3-0, before substitute Raheem Sterling pulled one back for Chelsea with a fine volley. Haaland completed his hat-trick and Noni Maduek…