TIM MONTGOMERY and Dwain Chambers proved in the IAAF Grand Prix final that intense rivalry and not stage-managed races is more likely to produce a world record.

Tim Montgomery and Dwain Chambers proved in the IAAF Grand Prix final that intense rivalry and not stage-managed races is more likely to produce a world record.

Olympic and world champion Maurice Greene has been left out of the United States team for next weekend’s World Cup final in Madrid.