Nigeria goalkeeper Daniel Akpeyi will miss Friday's World Cup qualifier against Cameroon with injury, coach Gernot Rohr said at the team's press conference held at the Ibom Meridien Hotel, Uyo on Wednesday.
Nigeria have won their first two qualifiers - 2-1 in Zambia in October and 3-1 at home against Algeria in November.
He assured that the team which takes on the Indomitable Lions of Cameroon in a double header within the next few days, was in high spirits.
The 28-year-old goalkeeper is very focused on the task at hand and wants to ensure the Super Eagles get all the three points. If they lose, it will be hard for Cameroon to catch us.
The Group B rivals meet in southeastern Nigerian city Uyo this Friday and in Cameroonian capital Yaounde three days later. "We want to win the first half so that the second half will be easy for us".
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Aina understands that the games could make or mar the Eagles chances of joining the Russian Federation train and is already looking forward to the whole experience.
Zambia stand-in skipper Kennedy Mweene has restated his team's resolve to get the results against Algeria so as to get their World Cup campaign back on course.
Arsenal forward Alex Iwobi also withdrew from the squad on Sunday with a thigh problem. Also, Nigeria is where my origins are. I have understudied both Carl Ikeme and Akpeyi, so I think mentally and physically, I'm ready for the game.
Algeria, Ghana and African champions Cameroon face a crucial weekend of 2018 World Cup qualifiers.
They will be rugged as usual, tight and well organised at the back with AFCON 2017 MVP Christian Bassogog, Vincent Aboubakar and Fabrice Olinga their major threats in attack.