Nathan Adrian

Nathan Adrian laughs as he looks at his time on the scoreboard after winning the men's 100-meter freestyle event in 48.62 seconds at the Indianapolis Grand Prix swim meet in Indianapolis, Thursday, March 29, 2012. (AP Photo/Michael Conroy)
Nathan Adrian laughs as he looks at his time on the scoreboard after winning the men's 100-meter freestyle event in 48.62 seconds at the Indianapolis Grand Prix swim meet in Indianapolis, Thursday, March 29, 2012. (AP Photo/Michael Conroy)
Nathan Adrian laughs as he looks at his time on the scoreboard after winning the men's 100-meter freestyle event in 48.62 seconds at the Indianapolis Grand Prix swim meet in Indianapolis, Thursday, March 29, 2012. (AP Photo/Michael Conroy)
US swimmer Nathan Adrian gets ready prior to compete in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
US swimmer Nathan Adrian gets ready prior to compete in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
US swimmer Nathan Adrian gets ready prior to compete in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
US swimmer Nathan Adrian competes in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
US swimmer Nathan Adrian competes in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)
US swimmer Nathan Adrian competes in the heats of the men's 100-metre freestyle swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 27, 2011. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)

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