Barcelona coach Xavi Hernandez considers their LaLiga clash with Real Betis.

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Barca meet Betis in a genuine six pointer in terms of a top four finish, with the Beticos finding form under coach Manuel Pellegrini in recent weeks.

Xavi says his Barca team will have to be at their best to take something from the game.

The Barca coach admits they need to improve defensively, while he also details his style and system, insisting his team will continue to be flexible in terms of formations.