Who is Lamine Yamal's little brother? Meet Keyne, the viral star of Spain's World Cup run

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Lamine Yamal is the best young footballer in the world.

His much younger little brother is drawing plenty of attention during the 2026 FIFA World Cup, too, as he goes viral celebrating Spain's success.

This video caught lots of attention during Spain's Round of 32 win over Austria:

Keyne Yamal was absolutely fired up watching his older brother Lamine and Spain advance to the Round of 16 🔥 pic.twitter.com/b1ssivEvjj

— FOX Sports (@FOXSports) July 2, 2026

There's not a lot known about Keyne, but he's definitely adorable.

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Who is Lamine Yamal's little brother?

That little man going viral during the World Cup is named Keyne.

He's technically the half-brother of Lamine Yamal.

Keyne was born in 2022, which would mean he turns 4 years old at some point in 2026.

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He's now circulating in other viral videos on social media:

— SportyNet (@SportyNetBrasil) July 5, 2026

It's not totally clear what the future might hold for Keyne, but it's clear that he's enjoying the chance to root on his big bro at the World Cup.