Mo Farah has run the fastest 5,000m time in the world this year to win the event at the London Diamond League meet in London.
Britain's Chris Froome is virtually assured of his third Tour de France title and will join a group of multiple champions bettered only by four others.
The NFL says affidavits from four players accused of using performance-enhancing drugs are insufficient proof of cooperation.
Usain Bolt has won the 200 metres of the London Diamond League in his first race since pulling out of the Jamaican trials with a hamstring injury.
Simon Clarke will make his Olympics debut, joining the Australian road cycling team in place of injured rider Simon Gerrans.
The Australian track cycling team has been turning heads on cycle paths along LA's Manhattan Beach.
Rain and crashes played havoc at the Tour de France on Friday as a bloodied and bruised Chris Froome held on to his lead.
Kendra Harrison has broken the 100 metres hurdles world record at the Diamond League.
Orica-Bike Exchange's Adam Yates has been slugged with a 10-second penalty in the Tour de France after being given a push by teammate Ruben Plaza.
Turkish weightlifter Sibel Ozkan has been stripped of the Olympic silver medal she won in Beijing in 2008.
Tom Dumoulin has pulled out of the Tour de France with a wrist injury and could be in doubt for the Rio Olympics after crashing on the 19th stage.
Further analysis of samples from the 2008 and 2012 Olympic Games has uncovered another 45 athletes testing positive to illegal substances.
Usain Bolt's reaction to Russia's Olympic plight leads this week's quotes, bitches and tweets