• The South African 4 x 100m relay team won gold in a world record time. Arnu Fourie, left, ran the third leg and oscar Pistorius the last leg. (WESSEL OOSTHUIZEN / SASPA)
  • The South African 4 x 100m relay team won gold in a world record time. Arnu Fourie, left, ran the third leg and Oscar Pistorius the last leg. (WESSEL OOSTHUIZEN / SASPA)
  • South Africa's Oscar Pistorius wins the Men's 4 x 100 Relay T42-46 final. (AP Photo/Emilio Morenatti)
  • Oscar Pistorius, left, runs through after crossing the line to set a new world record of 41.78 seconds ahead of Brazil's Alan Fonteles Cardoso Oliveira in the men's 4x100m relay. (AP Photo/Matt Dunham)
  • Oscar Pistorius, left, crosses the line to win. (AP Photo/Matt Dunham)
  • Gold medalist Oscar Pistorius, second left, offers his hand to shake with silver medalist Brazil's Alan Fonteles Cardoso Oliveira, left, after South Africa set a new world record of 41.78 seconds. (AP Photo/Matt Dunham)
  • Oscar Pistorius, third left, shakes hands with silver medalist Brazil's Alan Fonteles Cardoso Oliveira. The Brazilian and USA teams were later disqualified for breaking the rules of the event. (AP Photo/Matt Dunham)
  • Oscar Pistorius, right, and his teammates, from left, Samkelo Radebe, Zivan Smith and Arnu Fourie pose for photographs after setting a new world record of 41.78 seconds in the men's 4x100m relay T44 category final during the athletics competition at the 2012 Paralympics, Wednesday, Sept. 5, 2012, in London. (AP Photo/Matt Dunham)
  • Gold medal and world record for South African 4 x 100m relay team. (SAPSA)
  • Samkelo Radebe, Zivan Smith, Arnu Fourie and Oscar Pistorius clebrate their victory in the Men's 4 x 100 Relay. (AP Photo/Emilio Morenatti)
  • Gold medalists South Africa's Oscar Pistorius, right, and his teammates, from left, Zivan Smith, Samkelo Radebe and Arnu Fourie pose by the scoreboard after setting a new world record of 41.78 seconds. (AP Photo/Matt Dunham)
  • Gold medal and world record for South African 4 x 100m relay team. (Wessel Oosthuizen, SAPSA)