Olympic all-round champion Paul Hamm said he would return his gold medal if the Court of Arbitration for Sport rules a judging error denied South Korea's Yang Tae-young the title.
The $15 million world league pits 16 elite national teams against each other in six weeks of inter-continental rounds, after which the top eight contest the finals, this year in Madrid.
The Court of Arbitration ruled that world 400 metres champion Jerome Young should have been banned from the 2000 Sydney Olympics.
Summary of sports events and persons who made news on Sunday
Kishen Narsi, chairman of the AIBA's ad-hoc committee for India, says would be happy to guide Vijender Singh in the best possible manner in his bid to make it to Rio.
Both countries took a 2-0 lead over The Netherlands and Argentina respectively in their Davis Cup World Group quarter-finals.\n\n
A look back at some moments from Thursday
The Olympic and world champion clocked the fastest women's 800 metres of the year with a blazing run of one minute 55.55 seconds at the Madrid Grand Prix.
The Nigerian outgunned the pair to win the 100 metres at the Lusanne Grand Prix in 10.04 seconds.
Summary of sports events and persons who made news on Tuesday
The cyber attack affected the internet-connected televisions at the media centres and also shut down the official Winter Olympics website for around 20 minutes.
The Delhi high court on Wednesday sought a response from Boxing India on a plea challenging International Boxing Association's (AIBA) decision to suspend boxer Sarita Devi for refusing to accept the bronze medal at the Asian Games in South Korea.
The Centre told the Delhi High Court that it has written to the International Boxing Association (AIBA) requesting it to revoke the provisional suspension of boxer Laisram Sarita Devi for refusing to accept the bronze medal at the Asian Games in South Korea.
Summary of sports events and persons who made news on Thursday
Gaining the 2008 Euro would represent the biggest success for soccer in Switzerland -- and Austria for that matter -- since the World Cup finals \n\n
The International Boxing Association (AIBA) might have allowed professional boxers to compete in the Olympics but India's biggest pro star Vijender Singh will not be seen in the Rio de Janeiro Games as he hasn't been left with any time or chance to make the cut. In a landmark decision, AIBA today threw the Olympic doors open for professional boxers after an extraordinary congress in Lausanne, Switzerland voted overwhelmingly in favour of the move. The decision has, however, been met with a mixed response with some like Mike Tyson and Lennox Lewis calling it "foolish" and "preposterous" while others like Amir Khan welcoming the step. In India, AIBA's decision brought the focus on Olympic medallist Vijender, who turned professional last year. The 30-year-old, a former amateur world No.1 in middleweight, is enjoying an unbeaten run in his pro career and is scheduled to fight for the WBO Asia title belt on July 16 in the national capital.
China's Su Bingtian held off his opponents with a late burst of speed to win the event in 9.92 seconds.
'We are trying passionately to protect those clean athletes who are going to Rio 2016'
'The Swiss show their love of cows by letting them graze in meadows, plump and healthy, instead of by killing minorities.' 'Women drink and kiss their dates in public while wearing tiny skirts, yet walk home unraped.' Mitali Saran on how much she misses Switzerland.
International Boxing Association (AIBA) Pro Boxing managing director Mirko Wolf, on Friday, defended the world body's decision to allow professional boxers in the Olympics.
The Olympic champion in women's 800m, feels sorry for Dutee Chand since the Indian, just like her, is facing a gender test row.
A Moscow anti-doping laboratory which was to be used during next year's Sochi Winter Olympics will have its accreditation suspended by the World Anti-Doping Agency (WADA) unless it improves the way it operates by December 1.
'I like to challenge myself. Competing against players much younger than me is something that I want to keep doing,' says Chess Legend Viswanathan Anand
Disgraced retired cyclist Lance Armstrong's Sydney 2000 Olympic medal is back with the International Olympic Committee.
To the extent the nuclear race in West Asia is slowed down by the Iran nuclear deal, the world as a whole has reason to be happy, says Virendra Kapoor.
Evidence of widespread state-sponsored doping by Russian athletes at the Sochi Olympics was confirmed on Monday in a report by an independent commission of the World Anti-Doping Agency.
...Set house in order soon or Indian archers will compete under world body flag
Turning to new technology to uncover previously undetected substances, the IAAF has initiated disciplinary action against 28 athletes after retested samples from the 2005 and 2007 World Championships found 32 adverse doping findings.
Norwegian cross-country skier Therese Johaug says she is 'devasted' after her country's skiing federation confirmed the 28-year-old had returned a positive test for a banned substance found in sunburn cream on Thursday.
The International Olympic Committee (IOC) wants to give more power to the World Anti-Doping Agency (WADA) in the fight against drug-cheating by athletes, it said on Saturday.
Banned UEFA president Michel Platini could face further investigation from FIFA's Ethics Committee after attending an awards ceremony and conference in Dubai despite being barred from "all football activity".
Indian athlete Dutee Chand has been cleared to participate in next year's National Games.
The International Olympic Committee's decision to reject calls to ban all Russian competitors from the Rio Olympics could lead to "lesser protection for clean athletes," the World Anti-Doping Agency (WADA) said on Sunday.
Russia has named a track and field team for the Rio Olympics which includes gold medallists Yelena Isinbayeva and Ivan Ukhov among 68 athletes who are hoping an IAAF ban on them competing will be lifted by sport's highest court later this month.
Frozen balls containing team names have been used to rig European soccer's club competition draws although the ruse was never used at FIFA, the former chief of the game's world governing body, Sepp Blatter, has said.
Liu Xiang reduced his fans to tears in his home Shanghai Stadium on Sunday as China's finest athlete was given a fittingly heartfelt send-off.
The International Olympic Committee (IOC) dented any slim hopes that Russian athletes might have had of competing at the Rio Games in August by backing the IAAF's decision to uphold its ban on the country for systematic doping.