Erling Haaland may well be the best striker in the world – but he is not exempt from a bit of training ground mockery from his Manchester City teammates. Haaland has wowed since joining the club in the summer of 2022 from Borussia Dortmund, scoring 81 goals in 87 games. The Norway international has broken all kinds of records. This term, he probably hasn’t quite been at his very best and has been slightly below the level he was at last season. But he’s still on 29 goals for the season so far, and he will be looking to finish strong at the business end of the season. Part of the reason Haaland …