Ralf Rangnick labelled Pep Guardiola "one of the best" managers in the world as the pair exchanged compliments ahead of Sunday's Manchester Derby.
Guardiola has been hailed by the interim Manchester United boss, Rangnick, who himself received praise for being the "father of pressing" - a tag picked up thanks to his ground-breaking work in German football.
Manchester City welcome cross-city rivals United to the Etihad Stadium on Sunday for a crucial Premier League clash.