Pep Guardiola says Burnley boss Vincent Kompany is one of the "biggest legends" he has managed as he prepares to welcome the former Manchester City captain back to Etihad Stadium.
Premier League winners City meet the runaway Championship leaders in the FA Cup quarter-finals on Saturday.
Kompany, 36, won four Premier League titles during his 11 years at City.
"He was an incredible figure here. He is one of the biggest legends I have had," Guardiola said of Kompany.
The 52-year-old joked: "But I am a little bit concerned because when you start to play a game against a player you had on the touchline, you realise how old you are becoming!