Nigeria's players warm up during a national soccer team's training session at a training base at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558210
Nigeria's Chidozie Awaziem, left, and Nigeria's John Ogu, right, run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558206
Nigeria's goalkeeper Ikechukwu Ezenwa catches a ball during a national soccer team's training session at a training base at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558189
From left, Nigeria's Odion Ighalo, Chidozie Awaziem and Nigeria's goalkeeper Daniel Akpeyi warm up during a national soccer team's training session at a training base at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558168
Nigeria's goalkeeper Daniel Akpeyi, right, and Nigeria's Onyinye Ndidi, left, play with a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558162
Nigeria's Elderson Echiejile, left, and Nigeria's Ogenyi Onazi, right, run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558137
Nigeria's players run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558131
Nigeria's Elderson Echiejile, left, runs during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558108
Nigeria's players run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558101
Nigeria's goalkeeper Daniel Akpeyi, left, and Nigeria's John Ogu, centre, run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558100
Nigeria's players run during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558096
Nigeria's players warm up during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558090
Nigeria's players warm up during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558078
Nigeria's players warm up during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558077
Nigeria's players cheer during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558075
Nigeria's players cheer during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558073
Nigeria's players cheer during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558070
Nigeria's goalkeeper Francis Uzoho holds a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558058
Nigeria's goalkeeper Daniel Akpeyi catches a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558049
Nigeria's goalkeeper Daniel Akpeyi catches a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558048
Nigeria's goalkeeper Francis Uzoho catches a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558037
Nigeria's goalkeeper Francis Uzoho catches a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558034
Nigeria's goalkeeper Francis Uzoho catches a ball during a national soccer team's training session at the Saint Petersburg Stadium, in Saint Petersburg, Russia, June 25, 2018.25.06.2018#5558027