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, 2026There's not a lot known about Keyne, but he's definitely adorable.MORE: Singing Hey Jude as Bellingham sets epic World Cup recordWho 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 s