Mexico's exit ended a run of seven successive last-16 appearances at the World Cup and the defeat for Saudi Arabia killed off what had looked to be a realistic chance of advancing from the group stages for the first time in 28 years.
The United States and Mexico both booked tickets to this year's World Cup in Qatar in the final round of CONCACAF qualifying on Wednesday.
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.
Summary of sports events and persons who made news on Sunday
