The IOC and IAAF said athlete welfare was behind the decision to move the Olympic marathon race from Tokyo to Sapporo.
Switzerland's Olympics squad for Tokyo 2020 will include Roger Federer, with the 38-year-old confirming his plan to play at the Games.
After becoming the most decorated gymnast in the history of the World Championships, Simone Biles moved onto 25 medals in the competition.
Spain coach Robert Moreno says captain Sergio Ramos still has the hunger to win titles after breaking La Roja's appearance record.
Reports this week indicated Sergio Ramos wants to play at next year's Olympics, with Spain's captain indicating he is open to being called.
Spain boss Robert Moreno will not have the decision to make, but he admires the ambition of Sergio Ramos to target the Tokyo 2020 Olympics.
Real Madrid allowed Dani Ceballos to leave on loan to Arsenal this season, though he still believes he can be a success at Los Blancos.
Italian National Olympic Committee chief Giovanni Malago says diving is a bigger issue than racism despite reported incidents in Serie A.
The outlook for the 2020 Olympics is already looking brighter than the 2019 FIBA World Cup for the United States.
Curry played for Team USA when he was a member of the World Cup teams in 2010 and 2014, but this would be his first Olympics appearance.