FIFA is investigating allegations that footballers were among the Russian athletes who were involved in state-sponsored doping.
Hosts Russia were knocked out of the Confederations Cup after losing 2-1 to Mexico in their final Group A game on Saturday.
Cristiano Ronaldo scored his 74th senior international goal as Portugal beat hosts Russia 1-0 at the Confederations Cup.
Find out who's playing who in our guide to the precursor of next year's World Cup in Russia - the 2017 FIFA Confederations Cup.
Russia kicked off their Confederations Cup campaign in style as they cruised to a 2-0 victory over New Zealand in St Petersburg.
With the champions of the world's footballing regions about to face off in Russia, we take a look at what to expect from the Confederations Cup.