We need to save women's sports by making sure only women can participate.
Once considered one of the most promising female distance runners, Cain says when she left the Nike Oregon Project she was "just trying to survive."
Houston has been followed by allegations of apparent sign-stealing, including in its ALCS matchup with the Boston Red Sox.
"I've been molested by women and never complained," he tweeted.
The Maryland native helped bring sports broadcasting into mainstream cultural conversation.
Bolt set the world record at 9.58 seconds in 2009.
Farah finished fourth in BBC Sports Personality of the Year based on number of votes.
The Jamaican sprinter says he was tired for the 100-meter final.
The Jamaican sprinter proved his class again.
Russia's Athletics Federation will hold games for stars banned from the Olympics.
Klishina was previously accused of turning her back on fellow athletes.
World athletics' governing body met in Zurich on Friday.
Yelena Isinbayeva says potential ban would violate human rights.
With less than 100 days to go to the Olympics in Rio, Ennis-Hill is considering the impact of the virus.
Read Newsweek's guide to planning a last-minute trip to the 2016 Olympics in Rio.
The confectionary giant is in the middle of a five-year deal as sponsor of the Kids' Athletics program.
British Olympians are reported to be worried about the disease with the Rio Olympics approaching.
The letter shows that the governing body knew of the scale of the crisis as far back as 2009.
Shin Asakawa believes sport authorities "need to be very tough on Russia"
IAAF President Sebastian Coe also severs ties with Nike
Former Olympian is also an ambassador for Nike
The recent explosive report on Russian doping came from whistleblower testimony.
The athletics' governing body says it followed up on all suspicious blood tests.