United States U20 coach Tab Ramos called in 36 players to the first camp of the year in Miami, including current Philadelphia Union Academy players Abu Winter and Yosef Samuel as well as former Union Academy players Sebastian Elney and Isaiah Young. Also among the 36 players were six players currently signed to MLS contracts and eight in MLS academies.
Winter is a dual national, holding citizenship with both the United States and Sierra Leone. The forward/midfielder played in nine games, starting five with the Union Academy's U17/U18s last season.