Nigeria bounced back from their opening-game defeat and boosted their chances of qualifying for the knockout stages of the World Cup with a 2-0 win over Iceland in Volgograd.
Two delightful goals from the impressive Ahmed Musa secured Nigeria a first victory of the tournament and diminished Iceland's chances of making it into the last 16.
Gylfi Sigurdsson squandered a late lifeline for Iceland, botching a penalty in the 80th minute which would have set up a grandstand finish.
The Super Eagles are now second in Group D and their concluding group match against two-time champions Argentina will be billed as a winner-takes-all tie.
Excitingly, Nigeria, Argentina and Iceland could still join undefeated Croatia in the next round but should Iceland fail to beat group leaders Croatia in their final match, a draw or better for Nigeria will be enough for them to progress.