(FILES) Argentina's defender #26 Nahuel Molina and Switzerland's midfielder #10 Granit Xhaka eye on the ball during the 2026 World Cup football tournament quarter-final match between Argentina and Switzerland at the Kansas City Stadium in Kansas City on July 11, 2026. Switzerland will have to play their next four Nations League matches without captain Granit Xhaka, who admitted on September 21, 2026 to having used a forged Covid vaccine certificate during the pandemic. The 33-year-old midfielder admitted on his social media channels Monday that he had presented a forged certificate to avoid mandatory vaccination during the Covid crisis. (Photo by JUAN MABROMATA / AFP via Getty Images)