Mexico sit in the standings with six points from two matches, averaging 1.5 goals per game and keeping a clean sheet record.
The 2-0 opening victory over South Africa has sparked a flawless World Cup start and secured round-of-16 qualification after beating South Korea, but a defender's red card means he will sit out the next fixture.
Mexico now aim to extend their unbeaten run and push for a quarter-final berth as the tournament progresses.