World Cup 2010: Greece seek big improvement at point of no return

• Euro 2004 winners cannot afford second defeat against Nigeria • Manager Otto Rehhagel dismisses over-defensive accusations The overriding belief within the Greece squad is that it is now or never. Following a lacklustre 2-0 defeat by South Korea in their opening match of the tournament on Saturday, Otto Rehhagel's men recognise that another failure to deliver against Nigeria in Bloemfontein ...

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