Argentina icon Diego Maradona believes the Manchester United boss remains the best in world football.
Mourinho and Guardiola have each won 20 major titles during their managerial careers, but the Spaniard has been more successful in recent history, leading City to a record-breaking Premier League title last season.
In an interview with Marca, Maradona said: "Mourinho is the best without doubt". "I give Pep credit for making the most of what Johan Cruyff left".More news: Ariana Grande's "Thank u, next" explores self acceptance
"I didn't really get a chance because at the time he [Mourinho] probably wanted more experienced players with names", he said. It was "Flaco" Cruyff.
"Because he is the best without doubt", the 1986 World Cup victor claimed bluntly when asked why he specified the United boss as a reference point.
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'At the moment Pep is able to choose any player in the world that he wants.
"Yes they could win it". "Before I spoke about Pep and it is clear that he is a coach that understands games better than a lot that think they know it and then lose 3-0".
The Old Trafford club find themselves eighth in the table and behind Watford and Bournemouth after conceding 21 goals in the opening 12 games.More news: Brit Dies After Contracting Rabies From Cat Bite In Morocco