Portugal's forward Cristiano Ronaldo stretches with Portugal's defender Pepe (R ) during a training session at "Cidade do Futebol" (Football City) training camp in Oeiras, outskirts of Lisbon on June 7, 2017, ahead of the FIFA World Cup Russia 2018 qualifier match Latvia vs Portugal. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)
Portugal's defender Pepe stretches during a training session at "Cidade do Futebol" (Football City) training camp in Oeiras, outskirts of Lisbon on June 7, 2017, ahead of the FIFA World Cup Russia 2018 qualifier match Latvia vs Portugal. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)
Portugal's defender Pepe stretches during a training session at "Cidade do Futebol" (Football City) training camp in Oeiras, outskirts of Lisbon on June 7, 2017, ahead of the FIFA World Cup Russia 2018 qualifier match Latvia vs Portugal. ( Photo by Pedro Fiúza/NurPhoto via Getty Images)
