Should FIFA approve the 64-team format, it would be a one-off birthday bash, with the tournament expected to shrink back to 48 in 2034.
Uruguayan defender Juan Izquierdo collapsed on the pitch after suffering an irregular heartbeat during a Copa Libertadores game last week.
FIFA also opened proceedings against the Uruguayan Football Association (AUF) over potential breaches of fair play rules.
Araujo to miss Uruguay friendlies due to thigh injury
Uruguay forward Luis Suarez is being investigated by FIFA for allegedly punching Chile defender Gonzalo Jara during a South American World Cup qualifier last month.
The Uruguayan Football Association (AUF) have promised to staunchly defend Luis Suarez after FIFA launched a probe into allegations that he had punched a Chilean opponent during a South American World Cup qualifier last month.
Broadening the World Cup finals to include 40 teams could come about in 2026, FIFA president Gianni Infantino said during a tour of South America on Tuesday.
City's Guardiola defends Mendy after COVID protocol breach.
Swiss authorities have begun questioning the soccer officials who were arrested in Zurich in May in a corruption scandal and are facing extradition to the United States, legal sources said.
Six football officials were arrested in Zurich early upon request from US authorities, suspected of receiving bribes worth millions of dollars, Swiss authorities said.
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FIFA defended the harsh punishment it handed down to Uruguay striker Luis Suarez for biting an opponent during the World Cup, despite complaints on Friday from his coach, politicians and even the man he bit that the record penalty was excessive.