LaShauntea Moore of the U.S. reacts as she crossed the finish-line to win the women's 200m at the IAAF Diamond League athletics meet in Doha May 6, 2011. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT ATHLETICS) 

(L-R) LaShauntea Moore of the U.S., Russia's Aleksandra Fedoriva and Consuella Moore of the U.S. compete in the women's 200m at the IAAF Diamond League athletics meet in Doha May 6, 2011. REUTERS/Fadi Al-Assaad (QATAR - Tags: SPORT ATHLETICS) 

Torri Edwards (L-R) sprints to the finish line to win her women's 100 meters semifinal heat ahead of Mechelle Lewis, Shalonda Solomon and LaShaunte'a Moore at the U.S. Olympic Track and Field Trials in Eugene, Oregon June 28, 2008. REUTERS/Jason Reed (UNITED STATES) (BEIJING OLYMPICS 2008 PREVIEW) 

Muriel Hurtis-Houairi of France (L-R), Debbie Ferguson-McKenzie of the Bahamas and LaShauntea Moore of the U.S. compete in the women's 200m event at the IAAF 5th World Athletics Final 2007 in Stuttgart, September 22, 2007. REUTERS/Wolfgang Rattay (GERMANY) 

(From L to R) Sanya Richards of the U.S., Sri Lanka's Susanthika Jayasinghe, LaShauntea Moore of the U.S. and Bulgaria's Tezzhan Naimova compete in the women's 200 metres semi-final at the 11th IAAF World Athletics Championship in Osaka August 30, 2007. REUTERS/Bobby Yip (JAPAN) 

Jamaica's Aleen Bailey (R) crosses the finish line ahead of LaShauntea Moore (L) of the U.S. and Debbie Ferguson-McKenzie (C) of Bahamas to win her women's 200 metres quarter-final heat at the 11th IAAF World Athletics Championships in Osaka August 29, 2007. REUTERS/Michael Dalder (JAPAN) 

LaShauntea Moore of the U.S. competes in the women's 200 metres heats at the 11th IAAF World Athletics Championship in Osaka August 29, 2007. REUTERS/Brian Snyder (JAPAN)