Marcelo has offered guarantees to Real Madrid president Florentino Perez that Neymar will behave should he arrive.

While Barcelona are favourites to land the PSG star, Real also are in contact for the Brazil captain.

And veteran wing-back Marcelo has offered assurances to the board that Neymar will stay on the straight and narrow if they sign him.

Okdiario's chief pundit Eduardo Inda, while speaking on El Chiringuito, revealed: "There is a player who has reassured the entire board saying that if Neymar comes he will mind him.

"That player is Marcelo."