On Friday, CONCACAF World Cup Qualifying swings back into action with the first of two matches for each team left in qualifying.
In Group B, Costa Rica and Mexico will face each other twice over the next five days, starting with Friday's clash in San Jose, Costa Rica.
Mexico has been in the news all summer after the Olympic victory that its U-23 team captured in London.
El Tri were also in the news a week later as their senior squad lost to the U.S. at home in Estadio Azteca.
On the other hand, Costa Rica has kept a low profile heading into its two biggest matches of World Cup Qualifying so far.
The Central American country is looking to qualify for its fourth World Cup after missing out on South Africa in 2010.
Here is everything you need to know about Friday's World Cup Qualifier in CONCACAF Group B.