Guardiola compared the ball unfavourably with those used in the Premier League and Champions League after his side's 3-1 fifth round victory over Plymouth on Saturday, saying it was "not proper".

The star ball logo, created by London-based designer Phil Clements, was to form the central pillar of the Champions League brand and, 32 years later, remains largely untouched. Instantly ...

Then again, it has been done. From Super Depor to the greatest assist a ball boy has ever gone, via La Remontada, Champions League history is replete with surprise comebacks. Three teams have ...