Portugal face Switzerland in the World Cup round of 16 on Tuesday, with a spot the quarter-finals up for grabs.
Portugal qualified top of Group H, with a Bruno Fernandes double being enough to beat Uruguay and Cristiano Ronaldo, Joao Felix and Rafael Leao all scoring in an entertaining 3-2 win over Ghana.
Switzerland also qualified after victories against Cameroon and Serbia. They went through as runners-up in Group G, missing out on top spot only by goal difference.
Switzerland will be hoping to reach their first World Cup quarter final since 1954. Portugal have not got to a quarter final since 2006, when they finished 4th overall in the tournament.
Who is referee Alberto Morin?
Cesar Arturo Ramos, from Mexico, is taking charge of this last 16 match. He has already overseen two games in this year’s World Cup, including Denmark vs Tunisia in Group D and Belgium vs Morocco in Group F.
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He became a full international referee for FIFA in 2014 and took charge of the 2017 Club World Cup Final, between Real Madrid and Gremio.
Ramos also featured in the 2018 World Cup in Russia, overseeing Brazil vs Switzerland and Poland vs Colombia in the group stages, and Uruguay vs Portugal in the round of 16.
Who else is officiating the match?
Assistant referees: Alberto Morin and Miguel Hernandez (both Mexico)
Fourth Official: Istvan Kovacs (Romania)
Video Assistant Referee: Drew Fischer (Canada)
Assistant Video Assistant Referees: Massimiliano Irrati and Ciro Carbone (both Italy) and Paul von Boekel (Netherlands)
Topics: Football World Cup, Portugal, Switzerland, Football
Alexander Duke