Nigeria's players run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547754
Nigeria's players play with a ball during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548373
Nigeria's head coach Gernot Rohr throws a ball during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547782
Nigeria's William Ekong, centre, and his teammates warm up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548386
Nigeria's William Ekong warms up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547591
From left, Nigeria's Odion Ighalo, Elderson Echiejile and Ogu run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548408
Nigeria's head coach Gernot Rohr, centre, and his players run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548394
Nigeria's Elderson Echiejile reacts as he warms up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548380
Nigeria's goalkeeper Ikechukwu Ezenwa warms up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547524
Nigeria's players run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547769
Nigeria's Ahmed Musa, left, and Nigeria's Victor Moses, right, cheer warming up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547748
Nigeria's Victor Moses warms up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547594
Nigeria's players warm up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548389
Nigeria's head coach Gernot Rohr, fourth left, and his players run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547664
Nigeria's head coach Gernot Rohr, centre, talks to his players during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547645
Nigeria's head coach Gernot Rohr walks during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547583
Nigeria's Ahmed Musa, left, warms up during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547598
Nigeria's William Ekong drinks water during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547624
Nigeria's players run during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547616
Nigeria's head coach Gernot Rohr watches his players during national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5547578
Nigeria's head coach Gernot Rohr listens to the questions during a news conference before national soccer team's training session in Volgograd, Russia, June 21, 2018. 21.06.2018#5548364
Nigeria's goalkeeper Francis Uzoho poses for a photo during a news conference before national soccer team's training session at the Volgograd Arena in Volgograd, Russia, June 21, 2018. 21.06.2018#5548361