Japan staged a remarkable second-half comeback to defeat five-times world champions Brazil 3-2 in a friendly at a sold-out Tokyo Stadium on Tuesday.
After leaving fans guessing about whether or not he would take to the pitch, Lionel Messi came on in the 60th minute in Inter Miami's friendly match against J-League side Vissel Kobe in Tokyo on Wednesday.
World champions the United States were dealt a 3-0 drubbing by Sweden to end a 30-month unbeaten run, and the Netherlands put 10 goals past a hapless Zambia on a day of drama as the Olympics women's soccer tournament kicked off.
Australian Olympic Committee Chief Executive Officer Matt Carroll said he had received reports from the CEOs of rugby and football, investigating reports of rowdy behaviour on a flight into Sydney last Friday.
In their first Olympic campaign since Beijing 2008, Australia took a surprise lead against twice gold medallists Argentina inside 14 minutes when winger Lachlan Wales scored from close range.
Olympic quick takes - Brazil lifter Reis suspended from Games after positive drug test.
New Zealand claimed the one World Cup prize that no team sets out to win - third place.
Five sports, including baseball, skateboarding and surfing, are on track to feature at the 2020 Tokyo Olympics after the IOC on Wednesday recommended their inclusion to attract a younger audience, said a source close to the discussions.
The International Olympic Committee (IOC) is looking into hosting rowing and canoe/kayak sprint events for the 2020 Summer Games in South Korea if agreement cannot be reached to keep the enue for the races in Tokyo, Japanese media said on Tuesday.