Real Madrid manager Zinedine Zidane has called Pep Guardiola "the best coach in the world" as he prepares to face his Manchester City in the Champions League in February.
Earlier this week Guardiola had said he "dreamed as a player to play with" Zidane as he reacted to the round of 16 draw.
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The pair have never managed opposing teams in a competitive game during their coaching careers, which have seen them win five Champions League trophies between them.