Antonio Conte may have won league titles in Italy and England, but the Inter coach would not last a season in charge of Real Madrid, according to Diego Costa.
The Italian is regarded as one of Europe's top coaches following spells in charge of Juventus and Chelsea.
Conte won three consecutive Serie A titles with the Bianconeri and spent two years in England, where he guided the Blues to Premier League and FA Cup success.
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During his spell at Chelsea, Conte had run-ins with Costa and told the striker via text message that he was not wanted at the club.