The French report claims that the Spanish giants are in discussions with the Brazil worldwide in the hopes of enticing him to the club.
The Brazilian global moved to Stamford Bridge in 2013 following stints at Shakhtar Donestk and Anzhi Makhachkala, winning two Premier League titles with the club.
Since joining the London side the winger has made 184 appearances across all competitions were he scored 31 goals and provided 28 assists.
"Willian will probably look at 15 games last season, it wasn't enough game time for him personally". He hold experience of playing in the top competitions and while he may not be an exact replacement for Neymar, he would certainly deliver the experience and talent which the Nou Camp side have lost since waving goodbye to their attacker.
It has been suggested that the club's bargaining power has been weakened as a result of the Neymar deal - big clubs know what kind of money the Catalan giants are sitting on and are driving up the asking prices of their prized assets.