Cesc Fabregas, the former Barcelona and Arsenal man was involved in an incident after the full-time whistle when he extended a hand out to the City boss but found himself completely ignored.
Pep Guardiola blanked the open hand of defender Cesar Azpilicueta as he made his way off the field and, in fact, despite both men's strong Barcelona background, the relationship between the City coach and the Chelsea midfielder is non-existent.
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Pep said something to Aleksandr Kolarov but completely ignored Cesc Fabregas.
The Spanish midfielder was brought back to Barcelona from Arsenal by Pep Guardiola and there are no suggestions that the pair have any problems between them.