Alejandro Garnacho, an 18-year-old phenom from the United academy, is a player to watch this upcoming season. Born in Spain, the Argentinian national has trained with the GOATs: Messi, Ronaldo, and maybe even himself in the future. Garnacho has it all lined up: playing with Manchester United, a strong national team in Argentina, and the skill to make it to the top. This season is crucial to the next chapter of Garnacho's story. Ten Hag's reign at United could make his career, or break it. How Garnacho performs will be scrutinized by first-team coaches, determining if this is the next youngster to cement his place in the squad. But if you truly care about the future of the club, his performances are what every fan should watch this season.