Maradona crossed himself as he stepped onto the pitch, clutching a gold rosary and beating his chest.
Maradona returns to the World Cup stage as Argentine coach 16 years since his last cap - also against Nigeria - in the United States. He was sent home soon afterwards for failing a doping test.
His chest puffed out, Maradona sported his new-look greying beard, which has chimed well with an apparent mellowing in his sometimes-fiery temperament.
Holding his hands behind his back he strolled around the pitch an hour before kickoff, stepping over advertising hoardings to blow kisses to his daughter and grandson, whose father is Argentine forward Sergio Aguero.
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