Neymar needs to put wellness before wallet when it comes to choosing between Barcelona and Paris Saint-Germain, according to former Brazil boss Dunga.
PSG signed Neymar in a world-record €222 million (£200m/$250m) deal two years ago but the attacker now wants to rejoin Barca, despite the likelihood of having to take a pay cut.
Part of the 27-year-old's motivation appears to be his desire to reunite with close friends Lionel Messi and Luis Suarez, with whom he forged a fearsome forward line.
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Dunga knows Neymar better than most in football, having handed him the Brazil captaincy in 2014, and thinks a comfortable environment should be his first priority.