Real Madrid took the lead against Barça and spent a great deal of time celebrating the goal in their mini-Clasico.
And while every Madrid player was still hugging and high-fiving one another, a disgruntled Catalan youngster tried to take advantage of the situation by running from the centre circle and slotting into an empty net.
Of course, the referee disallowed the goal – but you can't blame them for trying (well, you probably could actually).
Real Madrid's senior side host Barcelona at the Bernabeu on Sunday.
'When Manchester City play it's hard not to be biased as they are my club and I love it when they win - but it frustrates me even more when we get beat' Steph Houghton on the problems of punditry and remaining neutral
Manchester United transfer budget explained: Ruben Amorim has money to spend - but a poor season could lead to early summer sales
