2018 CONCACAF League
[2] Olimpia were the title holders, but did not qualify for this tournament and were unable to defend their title, and consequently their streak of participating in all ten editions of the CONCACAF Champions League since 2008 ended.All of the leagues of Central America employ a split season with two tournaments in one season, so the following teams qualify for the CONCACAF League: If teams from any Central American associations are excluded, they are replaced by teams from other Central American associations, with the associations chosen based on results from previous CONCACAF League and CONCACAF Champions League tournaments.Since 2018, the CONCACAF Caribbean Club Championship is open to teams from professional leagues, and the CONCACAF Caribbean Club Shield is open to teams from non-professional leagues.To qualify for the CONCACAF Caribbean Club Championship, teams have to finish as the champions or runners-up of their respective association's league in the previous season, while to qualify for the CONCACAF Caribbean Club Shield, teams have to finish as the champions of their respective association's league in the previous season.The draw for the 2018 CONCACAF League was held on 23 May 2018, 19:00 EDT (UTC−4), at the Pullman Hotel in Miami, Florida, United States.Each team qualified for the CONCACAF League based on criteria set by the respective associations (e.g., tournament champions, runners-up, cup champions), resulting in an assigned slot (e.g., CRC2, CRC3) for each team.In the semi-finals, the matchups were determined as follows: The semi-finalists in each tie which had the better performance in previous rounds hosted the second leg.Winner SF2), the finalists which had the better performance in previous rounds hosted the second leg.