Orica-GreenEDGE rider Daryl Impey of South Africa has been omitted from the team's Tour de France lineup after failing a doping test.
Swedish hockey star Nicklas Backstrom will receive an Olympic silver medal despite his positive drug test in Sochi.
The Austrian Olympic Committee has filed a complaint with the IOC after Alpine skier Elisabeth Goergl was drug-tested the night before the women's downhill at the Sochi Games.
Italian long-distance runner Devis Licciardi has been banned for three years for cheating a drug test.
Sprinter Tyson Gay failed more than one drug test this year, recording one of his positives at the U.S. championships in June, where he won the 100 and 200 meters, The Associated Press learned Friday.
Danish swimmer Mads Glaesner will be stripped of gold and bronze medals from last year's world short-course championships because of a positive drug test.
Lindsey Vonn took an unexpected detour during her evening at an awards show -- off the red carpet and into the women's bathroom for drug testing.
Track and field's governing body says Colombian runner Diego Palomeque has been suspended for two years after failing a drug test at the London Olympics.
German long-distance runner Simret Restle-Apel has been banned for two years after testing positive for the blood booster EPO.
Russian hammer thrower Kirill Ikonnikov has been suspended after failing a drug test.
It is highly unlikely that AJ Allmendinger's positive test for amphetamines came from a single pill taken one time as the suspended Sprint Cup driver recently stated, a source close to the situation told ESPN.com.
A female hurdler from Syria was kicked out of the London Olympics on Saturday after failing a drug test.
Hammer thrower Marina Marghieva of Moldova is out of the Olympics for doping.
The International Olympic Committee has sprung to the defense of China's teenage swim sensation Ye Shiwen after her world record win in the 400 medley.
A female gymnast from Uzbekistan has been provisionally suspended from the London Olympics after failing a drug test, the second doping case of the games.
U.S. national team goalkeeper Hope Solo received a public warning Monday from the U.S. Anti-Doping Agency after she tested positive for the banned substance Canrenone in a urine test.