LA Galaxy prospect Efrain Alvarez says he could still decide to play for the United States despite his switch to Mexico's youth system.

Alvarez, who only turned 16 last month, was called up to Mexico's under-17 team this summer, but he told MLSsoccer.com that his senior international future is still to be determined.

"I'm not closing the door on anyone," he said ahead of Tuesday's MLS Homegrown Game. "I could still play for the U.S. or I could keep playing for Mexico. But I'm with Mexico...

After nine days and an impressive ratio of 3.5 goals per match, the group stages of the U17 World Cup are over and it's time to get serious with some knockout football. From here, matches tied at full time will go straight to penalties.

The tournament hasn't been set ablaze so far and perhaps this is the time for real heroes. This is how the matchups look like. 

October 18

Match 7: Ghana vs. Niger - 5pm, Mumbai

Ghana showed India how ruthless they can be. Fast and direct in attack, compact...

When England went up 3-0 inside 10 minutes of the second half of their Group F match against Mexico, Jadon Sancho led his team-mates to one corner of the field. The pack of England's young lions, dressed in their almost Arthurian white, tried to rouse the already worshipful packed stands in front of them, asking for more noise, more love.

The attention had stayed on Sancho through the match, where a 3-2 England victory has taken them into the knockout rounds of the FIFA Under-17 World Cup. The noise...