Portugal's players celebrate after scoring during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Portugal's forward Cristiano Ronaldo (L) and Iceland's midfielder Birkir Bjarnason vie for the ball during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Portugal's forward Cristiano Ronaldo (L) and Iceland's midfielder Birkir Bjarnason vie for the ball during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Iceland's midfielder Birkir Bjarnason (L) celebrates after scoring a goal during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Iceland teammates celebrate their first goal of the match during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Portugal's players celebrate after Portugal's forward Nani (3rd L) scored a goal during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Portugal's forward Nani (2nd L) is congratulated by Portugal's defender Pepe (L) after scoring during the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Portugal's forward Cristiano Ronaldo (L) acknowledges the crowd along side teammates Portugal's midfielder Joao Moutinho (2nd L), midfielder William Carvalho (2nd R), midfielder Joao Mario at the end of the the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)

Iceland's midfielder Theodor Bjarnason (C) and his teammates react after the Euro 2016 group F football match between Portugal and Iceland at the Geoffroy-Guichard stadium in Saint-Etienne on June 14, 2016 (AFP)