Pep Guardiola has labelled Jurgen Klopp's Liverpool team his toughest opponent - saying he's assembled a side even better than Jose Mourinho's Real Madrid.
As a boss of the highest level, Guardiola has come up against the best managers and teams in world football. He's competed in the game's most prestigious competitions, including the Premier League, La Liga, and Bundesliga, and of course the Champions League.
Guardiola is considered by many to be the world's best coach. But the great man was unable to guide Manchester City to a third success Premier League title last season, with Klopp's Liverpool storming to the crown.
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