Brazil's coaching staff were having a laugh before training when Neymar stopped by them and joked with manager Tite.
Neymar says this bunch of kids are coming, and it is just nuts.
He adds they will be giving the coach a headache.
The Paris St-Germain superstar was referring to the players Tite had dubbed fast little legs.
And he was not wrong, the rise of Raphinha, Vinicius Jr, Gabriel Martinelli, Antony and Rodrygo has totally changed the way the Selecao play and forced Tite to include all of them in his World Cup squad.
Meanwhile, Neymar will be wearing his infamous number 10 jersey in the centre midfield as they take on South Korea.
The game has just kicked off, stay with us for updates.
Source: BBC
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