Plenty of exciting youngsters have emerged out of Manchester United's youth ranks over the years but not all of them have made it. It takes more than just raw talent.
It doesn't matter how astonishing a youngster is or what magic they can perform at such a tender age, if they don't have the right attitude and mentality to put those pieces together they won't be a success at Old Trafford.
Just cast your mind back to all the hopeful teenagers making their United debuts. The big things they promised. Only a select few have gone on to have a significant impact at the club, especially in recent years. Marcus Rashford, Jesse Lingard, Danny Welbeck, Scott McTominay. The list has narrowed as the years have gone on.
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Alejandro Garnacho has all the ability and he might have proven he also has the right temperament to ensure it doesn't go to waste.
Excitement was sky-high for what the Argentine starlet could achieve following his sublime displays in the triumphant FA Youth Cup campaign last season. Garnacho was the star of the young side that claimed the prestigious trophy for the first time in over a decade, grabbing seven goals and three assists in just six games.
It was no surprise he made his first team debut before the season came to a close but he would have to wait for his chance to really impress. Garnacho made his first appearance for Erik ten Hag as a late substitute in the opening game of the season but the Dutchman was patient with him.
Garnacho was given chances in October and went on to score winning goals against Real Sociedad and Fulham in November. Since coming in for his first Premier League start on November 6, he has featured in every game in all competitions.
But his explosive introduction to the first team looked to be fizzling out. There was a great assist against Manchester City but otherwise, Garnahco's young brashness was threatening to hamper the side and he wasn't having the same impact as a starter as he was off the bench.
That's no surprise nor a problem. He is still only 18 and has a lot of developing to do. But it clearly mattered to him and his frustrations were growing. It reached a nadir following the 2-2 draw with Leeds in which he started but squandered two great opportunities to score.
Garnacho repeatedly punched the floor in a rage and held his head in his hands. After the game, he took to Instagram to express his dismay over his performance. "When you don't understand what is happening, remember that God is in control," he wrote. "I trust the plan you have for me."
Four days later he would have the chance to bounce back. And so he did. United faced off against Leeds again on Sunday and Garnacho was understandably dropped to the bench.
It was a much staler encounter than the one at Old Trafford and didn't spring to life until Garnacho was introduced. His verve and impetus off the bench pushed United to get the opener and he sealed the win five minutes later with an excellent goal, clinically finishing after cutting in off the left.
It displayed all the skill and ability we know Garnacho has but also showed he is capable of bouncing back from adversity, turning things around when he's feeling negative and arresting slumps in form to make crucial contributions.
It has shown he has the traits needed to realise his full potential at United.
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