Oghenekaro Etebo netted four goals and Sadiq Umar was outstanding as late comers Nigeria edged past Japan five-four in a Rio Olympics Group B match in Manaus Friday morning.
 
The opening match of this group had finished in a two-two draw between Sweden and Colombia and the Nigeria versus Japan clash was highlighted by an electric start with four goals within the first 14 minutes of action.
 
On sunday in Manaus, Nigeria take on Sweden and Colombia battle Japan.