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Barcelona should re-sign Neymar from Paris Saint-Germain if they want to improve results, according to former club vice-president Jordi Mestre.
Neymar left the Catalan club in acrimonious circumstances for a world-record £200 million fee in 2017.
The Brazilian has won two Ligue 1 titles since moving to PSG, but during his time at the club the French giants have suffered two premature exits from the UEFA Champions League.
Late last season, after an injury-hit campaign, Neymar's relationship with the club's hierarchy looked irreparable.
His departure from the Parc des Princes seemed inevitable, and a return to Barca was mooted.