Erling Haaland has warned the contenders to Manchester City’s title that he will only improve in the competitive environment of English football as the Norwegian prepares for his Premier League debut away to West Ham on Sunday. Haaland is the marquee arrival to the Premier League from over $1.2 billion spent by the 20 top-flight English clubs so far this summer.

Demands of playing for Pep

The 22-year-old had his pick of top clubs after scoring 86 goals in 89 games for Borussia Dortmund, but said the demands of playing under Pep Guardiola was behind his reason for choosing City.