Pep Guardiola got his maths wrong and it could cost Man City in Champions League

Pep Guardiola cuts a frustrated figure on the touchline as City are beaten by Leverkusen - (Reuters)

Pep Guardiola miscalculated. Ten changes, he later admitted, were “too many” as Manchester City tumbled to defeat to Bayer Leverkusen.

But perhaps he had miscalculated in a different sense, too. City kicked off fourth in the Champions League table, with a chance to go top, if only for a day. By the time the final whistle blew, a different scenario threatened to envelop.