Maurizio Sarri warned Juventus they will face "a complete team" when they play Inter at San Siro on Sunday and called for the Serie A champions to build on their recent strong performances.
Inter are top of Serie A with a 100 per cent record after six games, while Juve sit two points behind them going into the Derby d'Italia.
Antonio Conte is enjoying the kind of start to life in Milan that he experienced at the Bianconeri, where he achieved an unbeaten first league campaign.
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Inter suffered a 2-1 defeat at Barcelona in the Champions League on Wednesday, but Sarri said his men would not be favourites to win.