To encourage the fans to go to the stadium, the Costa Rican Football Federation made a heavy investment by organizing friendlies against FIFA World Cup winners Argentina, Brazil and the then most recent champions Spain.
[13] On October 15, Costa Rica defeated Mexico in San José by 2–1, which marked the first victory over the Mexican team in over twelve years, the latest being the Aztecazo in June 2001.
[24] The CONCACAF Gold Cup saw the Ticos reaching the quarterfinals with three draws in the group stage –against Jamaica, El Salvador and Canada– only to be eliminated by Mexico with a controversial penalty awarded to the Mexicans.
[29] With Ramírez in charge, the Ticos earned their first triump of the year by beating Uruguay 1–0 in San José,[30] and beginning the qualification process to the 2018 FIFA World Cup with two wins against Haiti and Panama.
.The year, which began with a loss in a friendly against Venezuela,[32] resumed the Costa Rican campaign during the fourth round of the CONCACAF qualifying process for the 2018 FIFA World Cup.
A double match-up in March against Jamaica saw the Ticos earning four points –after a draw in Kingston and a victory in San José– which led them at the brink of qualification to the next round.
[33][34] The qualification process was interrupted by the Copa América Centenario, for which Costa Rica prepared by once again facing Venezuela in San José, this time won by the Ticos.
The year began with La Sele making their worst display in the Copa Centroamericana since 1995, finishing fourth with a lone win against Belize, draws against El Salvador, Nicaragua and Honduras, and a loss against Panama.
[45][46] 2018 FIFA World Cup qualification resumed with difficulties for the team, losing the first place of the Hexagonal to Mexico after a 2–0 defeat at the Estadio Azteca, a loss for which goalkeeper Keylor Navas was subject of criticism because of the second goal.
[50] The struggle continued in June, with a scoreless draw at the Estadio Nacional against Panama, which ended the Costa Rican streak of ten consecutive wins at home during World Cup qualifiers.
[55][56] In the quarter-finals, Costa Rica defeated Panama with an own goal by Aníbal Godoy, thus making the Ticos qualify to the Gold Cup semifinals for the first time since 2009.
[62][63] Devastation left by Hurricane Nate forced the Costa Rican Football Federation to postpone the match against Honduras in San José, originally programmed for October 6, to the next day.
[66] The match was met with controversy as referee Wálter López granted Panama's Blas Pérez a goal, in spite of the ball never crossing the line.