Some USMNT players such as Pulisic have held their numbers for many years, while others have more recently assumed their preferred digits.
If the Stars and Stripes make a deep run in Qatar, the numbers will become iconic among American fans eager to see their nation reach new heights.
GOAL brings you the full list of USMNT kit numbers below...
USMNT kit numbers: Pulisic, Reyna & more
There are three goalkeepers in the squad, and they will take the No. 1, No. 12 and No. 25 shirts.
Meanwhile, Pulisic will keep his No. 10 kit, and Reyna will take on the No. 7 after briefly wearing No. 21 to honor his dad, Claudio Reyna.
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Wondering why Ricardo Pepi and Zack Steffen aren't in the squad? For a deep dive into head coach Gregg Berhalter's selections, look no further than this round-up of winners and losers.
And for a list of full World Cup squads for every country, we've got you covered here.