Argentina’s players stretch during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566809
Argentina's goalkeeper Wilfredo Caballero, right, talks to his teammates during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566801
From left: Argentina's Gabriel Mercado, goalkeeper Franco Armani and Lionel Messi stretch during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566783
Argentina's Lionel Messi catches a bottle of water during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566777
Argentina's players listen to their head coach Jorge Sampaoli, unseen, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566624
Argentina's players listen to their head coach Jorge Sampaoli, unseen, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566623
Argentina’s players listen to their head coach Jorge Sampaoli during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566620
Argentina's Cristian Ansaldi, left, and Lionel Messi struggle for a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566618
Argentina's Sergio Aguero, left, and Lionel Messi walk during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566615
Argentina’s players listen to their head coach Jorge Sampaoli, second left, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566612
Argentina’s head coach Jorge Sampaoli rests during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566611
Argentina's Lionel Messi walks during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566608
Argentina's players listen to their head coach Jorge Sampaoli during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566604
Argentina's Lionel Messi, right, walks during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566602
Argentina’s head coach Jorge Sampaoli talks to Argentina's Lionel Messi, right, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566598
Argentina's Lionel Messi, left, and Argentina's Angel Di Maria run during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566593
Argentina's Lionel Messi smiles during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566591
Argentina’s head coach Jorge Sampaoli talks to Argentina's Lionel Messi, right, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566588
Argentina's Marcos Acuna, centre, controls a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566586
Argentina’s players joke during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566585
Argentina's Nicolas Tagliafico, left, heads a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566581
Argentina's Nicolas Tagliafico, left, heads a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566580
Argentina's Eduardo Salvio, centre, controls a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566577
Argentina’s head coach Jorge Sampaoli watches his players during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566507
Argentina's goalkeeper Nahuel Guzman warms up during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566505
Argentina's Lucas Biglia, center, kicks a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566500
Argentina’s head coach Jorge Sampaoli walks during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566498
Argentina’s players warm up during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566496
Argentina's Lionel Messi kicks a ball during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566495
Argentina’s head coach Jorge Sampaoli talks to Argentina's Lionel Messi, right, during a national team's training session in Bronnitsy, outside Moscow, Russia, June 29, 2018. 29.06.2018#5566487