Enugu Rangers' right-back, Chibuzor Okonkwo has said he knew it will be tough for his side to survive the Angolan side, Clube Recreativo Desportivo (CRD) do Libolo in the reverse fixture of the second round of the Caf Champions League.
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The lone survivors of Nigerian clubs on the continent were beaten 1-3 by their Angolan counterparts on the day to exit from Africa's elite club competition on a 1-3 aggregate.
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The first fixture ended goalless a fortnight ago at the Nnamdi Azikiwe Stadium, Enugu.
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The current Nigeria Professional Football League (NPFL) leaders will contest for the play-off in the Caf Confederation Cup.
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Okonkwo said the 0-0 result from the first fixture weakened his side's chances against their Southern African side.