Footballer Jayden Adams has died at age 25 after playing in three World Cup games last month for South Africa, the country's football players union confirmed Saturday.No official cause of death was released."The South African Football Players Union (SAFPU) is devastated by the untimely passing of Mamelodi Sundowns and Bafana Bafana midfielder Jayden Adams," a statement read."Jayden had only recently represented South Africa at the FIFA World Cup, carrying the hopes of the nation with pride, courage and distinction. "His passing is an immeasurable loss to his family, teammates, clubs, the football fraternity and the country at large."We extend our deepest condolences to the Adams family, Mamelodi Sundowns, Stellenbosch FC, Bafana Bafana and all those whose lives he touched. "South African football has lost a gifted player, a proud servant of the game and a young life that still had so much to offer May his soul rest in eternal peace."Adams started two of the three World Cup matches he appeared in for South Africa despite the death of his grandmother, Marianna, one day before a 1-1 draw with the Czechia.He started in that match, being replaced at half-time, and also started South Africa's 2-0 loss to Mexico