If all goes well, Usain Bolt's glittering sprint career will end with one final big individual title in the world championship 100m on Saturday.
Neymar has said goodbye to his teammates and been given time off to sort out his transfer.
Neymar has joined Paris Saint-Germain on a five-year deal, the French club said Thursday, after he paid his 222-million-euro (US$263-million) release clause to leave Barcelona.
Bolt wants to bow out on a high from a career spanning a decade at the top, with the 100m final set for Saturday in London.
Both cities had been bidding for 2024, and were told to work out between themselves who got which year.
Sebastian Vettel's victory at the Hungarian Grand Prix underlines contrasting approaches by the two main Formula One teams, Ferrari and Mercedes, in their quest for the championship title.
Caeleb Dressel matches the great Michael Phelps' record of seven gold medals at a single world swimming championships after the United States won the closing 4x100-metre medley relay in Budapest.
World footballer of the year Cristiano Ronaldo is due to appear in a court near Madrid to face accusations that he avoided paying millions in tax to Spanish authorities.
London hosts the world athletics championships for the first time -- five years after the Olympics -- and the 10-day event will mark the farewell of icons Usain Bolt and Mo Farah
Hamilton moved within one point of Ferrari's Vettel with victory in Silverstone on July 16.