Olympic and world champion swimmer Sun Yang served a three-month ban earlier this year after testing positive for a banned stimulant, China's anti-doping agency disclosed Monday.
Michael Phelps has been linked with Speedo throughout his swimming career, most notably collecting a $1 million bonus after he won a record eight gold medals at the Beijing Games.
Two-time Olympic swimming champion Sun Yang was ordered Monday to be kept detained for a week for driving without a license after the Porsche SUV he was driving was hit by a bus.
Two-time Olympic swimming gold medalist Britta Steffen of Germany has announced her retirement.
Two-time Olympic champion Rebecca Adlington has retired from competitive swimming at 23.
China's state media launched attacks Thursday on what it said were arrogant and prejudice views of the country's athletes at the London Olympics.
Even as he was on his way to compiling the most Olympic medals of all time, Michael Phelps was being treated as if he got too happy and lazy in the wait for the London Games.
Chinese media reacted angrily to doping accusations swirling around new swimming sensation Ye Shiwen, insisting she is being judged by an "old mentality" and by those who are "petty about the progress China makes."
Dana Vollmer did not qualify for the 2008 Games in Beijing. She made up for it Sunday by winning gold in record time in London.
Eight was enough for Michael Phelps in Beijing.
Brendan Hansen won the 100-meter breaststroke at the U.S. swimming trials while Dana Vollmer easily took the 100-meter butterfly.
Chinese state media say a swimmer, who was part the country's winning team at the 2009 World Championships, has tested positive for doping.
Australian Olympic Committee president John Coates defended the selection of swimmer Nick D'Arcy for the London Olympics amid accusations of a secret deal to put him on the team.
Can Dara Torres qualify for her sixth Olympic Games? She knows her age will be a factor, but she's not letting that deter her.
Kosuke Kitajima has qualified for his fourth Olympics after winning the men's 100-meter breaststroke at Japan's swimming championships.
A reckless celebration after the 2008 Australian Olympic trials cost Nick D'Arcy his spot at the Beijing Games, resulted in a criminal conviction and damaged his reputation.