Luiz Felipe Scolari says clashes with strikers Didier Drogba and Nicolas Anelka led to his sacking at Chelsea.
The Brazilian was brought in to succeed Avram Grant in 2008 but lasted just seven months in a frustrating spell at Stamford Bridge.
The 71-year-old, who guided Brazil to World Cup glory in 2002, admitted he had 'issues' with some of the Blues stars.
'Chelsea had some problems with injuries, some problems in the team,' he told Yellow and Green Football.
'I had a form of leadership that clashed with one or two players.