As a team, the magic starts [when the US open the World Cup] on 11 June, and everything can be very different. The US will certainly hope Martinez, and his US counterpart, Mauricio Pochettino, are right.
"He brings a lot to the table, is carefree, has a playful wit. I'm always of the opinion that it should be based on performance - no matter if someone's 17, 18 or 25. It should also be based on character: Does he fit into the team? In that case, age doesn't matter."
They are paying the consequences of the lack of leaders, players with good technique and confidence in the youngsters. In Italy, Lamine Yamal and Musiala would probably play in Serie B to gain experience. And that can't be.
Aissatou Fall was a key player as Senegal made it through to the quarter-finals for just the second time in their history. Despite being just 17 years old, she played every single minute of Senegal's tournament in Morocco, helping the Lionesses to keep two clean sheets in four games.
Gabriele Borsa was initially not called up for the game but was asked to play at the last minute due to another injury within the camp. He started the game and scored a hat-trick, showcasing his talent and leaving a lasting impression.
Every year, Goal's NXGN list sparks debate across the football world-and the latest edition is no different. It's a reminder of just how ridiculous the level of young talent is right now, with teenagers not just breaking through, but already impacting matches at the highest level.
Kenny McLean launched a shot 50 yards through the night sky and into the back of Kasper Schmeichel's net to seal Scotland's place at the men's World Cup this summer, their first since France 1998.
It pains me that a figure like Lamine had to go through that. The image Spain has projected is not the one I know. It's a disgrace. Lamine didn't deserve what he went through.
In a week where young Irish players were in the headlines, from Shamrock Rovers' Michael Noonan to former Galway United man Alex Murphy, here are the teenage talents who have been capturing attention and will hope to follow in the footsteps of Mason Melia (€1.7m move to Spurs) and Victor Ozhianvuna (initial €2m pre-contract deal with Arsenal) in the future.