USA coach Gregg Popovich says his star-studded team must discover more consistency if they are to successfully defend their Olympic basketball crown.

Iran on Sunday celebrated 41-year-old Javad Foroughi, an Islamic Revolutionary Guard Corps hospital nurse, who won gold in the 10m air pistol to become the country's oldest and newest Olympic champion.

Reigning champions Brazil were held to a goalless draw by the Ivory Coast in the men's Olympic football competition on Sunday, while Andre-Pierre Gignac's hat-trick in a 4-3 win over South Africa kept France's hopes alive.

Bayern Munich striker Robert Lewandowski was voted Germany's Footballer of the Year for the second year running on Sunday.  

Manchester United have signed England winger Jadon Sancho from Borussia Dortmund, the Premier League club announced Friday.

No fee for the five-year contract was disclosed but British media reports said Sancho had moved from Germany in a deal worth £73 million ($100 million) -- which would make him the second-most expensive English player of all time behind new United team-mate Harry Maguire.

Real Madrid forward Karim Benzema has tested positive for Covid-19, the Spanish club announced on Friday without providing further details.

Since joining Real in 2009, the 33-year-old Frenchman has scored nearly 300 goals for the Madrid club. He was also a member of the France squad at the recent Euro 2020. 

The most troubled Olympics in modern history finally open in Tokyo on Friday, struggling to shake off lingering virus fears after a one-year postponement and a build-up marred by scandal and controversy.

Eight years after Japanese newscasters shed tears as Tokyo celebrated winning the right to stage the Games, Friday's opening ceremony will take place before empty stands and with the city in a state of emergency.

Lebanon's trap shooter Ray Bassil says she is off to the Tokyo Olympics on a mission to win a medal and spread a little joy among Lebanese struggling amid economic crisis.

Tokyo's Olympic Village was hit by a fourth coronavirus case on Monday and major sponsor Toyota said it would not run any Games-related TV ads as the event struggled for support just days before the opening ceremony.

A Czech beach volleyball player became the fourth case and the third infected athlete in the Village, where thousands of competitors are living in a bio secure "bubble".

Powered by 32 points from Giannis Antetokounmpo and late heroics from Jrue Holiday, the Milwaukee Bucks moved within one win of their first title in 50 years by defeating the Phoenix Suns 123-119 on Saturday in the NBA Finals.