Why did you come to ? <a href="http://www.nejporno.eu/308-no-to-je-prdelka-z-ty-se-to-sere-a-jeste-k/?rank=9&amp;do=addRank">usa medical supply</a>  Gay, 30, has struggled with injuries the past five years. This season he has run the top three fastest times in the world in the 100 meters. He won gold at the U.S. championships in Des Moines last month, dominating the field to finish in 9.75 seconds. It was his fourth U.S. title at the distance. He also claimed the 200 title at nationals, winning in 19.74 seconds. It's the second fastest time in the 200 this season, just .01 second behind Usain Bolt's 19.73, which he ran last weekend.