Tottenham captain Younes Kaboul knows the defeat to Newcastle was unacceptable.

Tottenham paid for not being focused, brave and ready against Newcastle - a lack of mental fortitude captain Younes Kaboul says is unacceptable. The arrival of Mauricio Pochettino meant this was always going to be a season of transition at White Hart Lane, yet frustration is already beginning to creep in following a disappointing start to the campaign.

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