The former Super Eagles midfielder claims the responsibility for his country's dour 0-0 draw with Iran lies solely at the feet of their coach, slamming his tactical approach
The first stalemate of the 2014 World Cup was a turgid affair with the reigning Africa Cup of Nations champions struggling to carve out meaningful opportunities.
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"We were poor but we hope to get better as the tournament progresses," the 40-year-old told BBC Sport.
"This was a must-win for Nigeria but we did not take it. We did not do enough in terms of our tactical play. Keshi did not do enough work on the team."
Okocha, who scored 14 in 74 games for Nigeria, now is on the technical committee of the Nigeria Football Federation and gave a damning assessment of Keshi's overall decision-making.
"[Peter Odemwingie] was more creative when he came in, and we needed more in this game," the fromer Bolton Wanderers midfielder added.
"The tactical play of Eagles was so bad, I hold Keshi responsible for this."