US athlete Paige Mcpherson (red) fights

Paige McPherson, left, battles Turkey's Nur Tatar. (Alberto Pizzoli -- AFP/Getty Images)

Paige McPherson, left, battles Turkey’s Nur Tatar. (Alberto Pizzoli — AFP/Getty Images)

US athlete Paige Mcpherson (red) fights against Turkey’s Nur Tatar during their women’s taekwondo quarter-final bout in the category under 67 kg as part of the London 2012 Olympic games, on August 10, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLIALBERTO PIZZOLI/AFP/GettyImages