Barcelona have reportedly been advised against making a move for Neymar this summer due to concerns over his recent injury history.
The 27-year-old has seen both of his seasons at Paris Saint-Germain curtailed by foot problems, limiting him to 30 appearances in his debut campaign and just 28 last term.
Neymar then picked up an ankle injury which ruled him out of this summer's Copa America, and AS reports that Barcelona are increasingly concerned about how much football he has missed.
Medical staff have reportedly suggested that a sprained ankle would not have been enough for him to miss the entire Copa America, and that the problem could have once again been something to do with the broken metatarsal that has plagued the Brazil international over the past two seasons.
Barcelona are worried that the bone has not healed properly and could break again easily unless Neymar undergoes an operation which would see him ruled out for a significant length of time.
Despite this, the Spanish champions remain interested in bringing the attacker back to the Camp Nou for what would likely be a world-record fee of around £200m.
