Three high school students – Mike Slivinski, Mark Jonas and Nelson Vargas – made their US men's national team debuts in a 1991 friendly against Jamaica, yet remain almost entirely unknown to modern football fans despite their historical significance. With Cavan Sullivan now poised to join the list of youngest USMNT players at age 16, hardly anyone remembers this pioneering trio from over three decades ago, prompting Slivinski to express frustration at being erased from the record: "What am I, a fucking ghost?"

The three players were identified following impressive performances at the 1991 U-17 World Cup in Italy, where Slivinski and Jonas performed under coach Bora Milutinovic's unprecedented youth talent-scouting programme. Slivinski and Jonas were both younger than Sullivan will be at their debuts, though only Vargas went on to earn additional caps, earning three more between 1991 and 1994. The context was vastly different from today: Slivinski grew up in a trailer park in Missouri and trained at his local high school rather than an elite academy, a time before the US Soccer Federation invested millions in youth development infrastructure. Milutinovic's aggressive approach to finding talent – calling hundreds of players into camps and awarding nearly 50 first caps during his three-year tenure – was considered remarkable for its era.