Erling Haaland's only downside becomes clear in Man City draw vs FC Copenhagen

As many runners will have experienced, when you buy a new pair of trainers the temptation is to wear them all the time - and why not? They're more comfortable than your old battered pair, they look better and - whether a psychological side effect or not - they make you run that little bit faster.

But one day there will come a time when you have to crawl back to the very shoes you so eagerly disregarded. Maybe your new wheels are still soaked from the day before, or you're running a trail and don't want to dirty your road shoes. Whatever the reason, when you run there's something missing; that bounce isn't there, that extra spring in your step that comes with confidence and being comfortable. It just doesn't quite work.

On Tuesday evening in Copenhagen, Manchester City experienced something similar for the first time in years. Pep Guardiola 's side played out a goalless draw against FC Copenhagen in their fourth Champions League outing of the season, six days on from thumping the same opposition 5-0 at home.

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On the face of it, a 0-0 draw was a good result. City didn't play particularly well in a game that became dominated by VAR controversy - Rodri had a spectacular effort incorrectly chalked off for a handball in the build-up, Riyad Mahrez missed a penalty rather harshly awarded for another handball and Sergio Gomez was (correctly) sent off after 30 minutes for a mindless last-man foul.

In the end City were happy to get away with a point, and thanks to Borussia Dortmund's 1-1 draw with Sevilla later in the evening, it proved enough to secure City's place in the last-16. Job done.

However, upon closer inspection,