Lionel Messi must be convinced that Barcelona remain the right club for him, according to former team-mate Deco.
Messi's future has been the subject of fresh speculation since last week's humiliating 8-2 Champions League quarter-final defeat to Bayern Munich.
Reports in Catalonia suggest the six-time Ballon d'Or winner is still lukewarm over the prospect of remaining at Camp Nou following a meeting with newly installed head coach Ronald Koeman.
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Koeman succeeded the ill-fated Quique Setien, and Eric Abidal has also moved on from his post as sporting director.