Defender Cedric has warned Uruguay that Portugal 'have the best player in the world' in Cristiano Ronaldo ahead of their last-16 tie.
Portugal drew 1-1 with Iran in a tetchy affair in Saransk to miss out on top spot in World Cup Group B to neighbours Spain.
Iran will look to make history on Monday when they aim to reach the knockout stages for the first time ever by beating Portugal.
Morocco have become the first team to be eliminated from the World Cup after they were beaten 1-0 by Portugal in the Luzhniki Stadium.
Portugal and Morocco go head-to-head on Wednesday at the Luzhniki Stadium as the second round of Group B fixtures get underway.
Cristiano Ronaldo scored a superb hat-trick and Diego Costa netted a brace as Portugal drew 3-3 with Spain in a spellbinding encounter.
Goals could be at a premium in the first heavyweight clash of Russia 2018
Portugal defender Pepe is hoping he can help the national side to create history at the European Championships.
Portugal midfielder Joao Mario has praised the squad's belief as they prepare for Sunday's Euro 2016 final against France.
Portugal captain Cristiano Ronaldo admits he is dreaming of Euro 2016 glory after his side booked their place in the semi-finals.
Portugal coach Paulo Bento says his side were better than Spain in normal time as he rued their Euro 2012 semi-final exit on penalties.
Hugo Almeida says he will take his chance for Portugal at Euro 2012, with Paulo Bento set to turn to the Besiktas ace against Spain.
Cristiano Ronaldo insists that he can handle the pressure heaped on his shoulders ahead of the Euro 2012 semi-final against Spain.
Portugal's Ricardo Costa says his side have started to dream of winning Euro 2012 after their remarkable run to the last four.
Joao Moutinho insists that the players firmly believe that Paulo Bento is the man who can take them to Euro 2012 glory.
Helder Postiga has been ruled out of Portugal's Euro 2012 semi-final after he suffered a hamstring injury against Czech Republic.
Joao Moutinho has had his say on who is the world's best player and insists he would rather have Cristiano Ronaldo on his side.