Warburton seeks World Cup boost

Wales captain Sam Warburton stresses the importance of victories during the autumn series to climb the IRB rankings before December's draw for the 2015 World Cup.

Vicotry over Argentina on Saturday in the first of four Tests in Cardiff could lift Wales from sixth to fourth in the rankings.

The top four ranked sides on 3 December will be kept apart in the pool allocation draw for the 2015 World Cup. New Zealand, Australia, South Africa and England are currently in the top four.

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