By Dean Wilson Cricket Correspondent England and South Africa are beginning a contest to decide who will finally be able to dislodge Australia as the best team in the world, according to Jacques Kallis. No side has toppled the Australians for a decade, but Kallis believes that could change in the next 12 months as they face the Proteas and then England. South Africa are currently fourth in the rankings, just behind England and India, with Australia clear at the top. But there is no more Shane Warne, Glenn McGrath, Adam Gilchrist or Justin Langer for the Aussies, leaving them the weakest they have been for a generation. Speaking ahead of his country's four-match npower series starting at Lord's on Thursday, Kallis said: "For sure it is an exciting time for England and South Africa and perhaps whoever comes out on top can go on...
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