Spain's national team train for warm-up match against Argentina for 2018 World Cup in Madrid

Argentina's head coach Jorge Sampaoli attends a press conference for the match against Spain at Wanda Metropolitano Stadium in Madrid, Spain, on March 26, 2018. A warm-up match for 2018 World Cup between Spain and Argentina will be held here on March 27. (Xinhua/Guo Qiuda)