Portugal at the FIFA World Cup take place over the three years preceding the Finals, is used to determine which teams qualify for the Finals. The current format of the Finals involves 32 teams competing for the title, at venues within the host nation nations) over a period of about a month. The World Cup Finals is the most widely viewed sporting event in the world, with an estimated 715.1 million people watching the 2006 tournament final. Portugal have appeared in the finals of the FIFA World Cup on seven occasions, the first being in 1966 where they reached the semi final. Eusebio's nine goals at
Croatia at the 2018 FIFA World Cup of the second-round play-off Altogether 26 players appeared in the qualifying matches. Domagoj Vida is the only player that appeared in all 12 matches playing the full 90 minutes of all games. Mario Mandžukić was the top scorer with 5 achieved goals. Filip Bradarić, Duje Ćaleta-Car and Dominik Livaković did not appear in any of the qualifying matches but made the final World Cup squad. Complete list of players in the qualifying matches Croatia at the 2018 FIFA World Cup Croatia participated in the 2018 FIFA World Cup. This was their fifth appearance. Croatia was in Group I of UEFA's