Germany's National Anti-Doping Agency (NADA) suffered a blow on Tuesday with Adidas announcing it will cut 300,000 euros ($326,655) of funding by the end of the year.

Defending champion Lewis Hamilton kept alive his bid for a fourth world title on Sunday when he claimed his first victory in six races at the United States Grand Prix in Austin.

The Briton produced a flawless drive from pole position to finish almost five seconds ahead of his Mercedes team-mate and championship leader Nico Rosberg to seal the 50th win of his glittering Formula One career.

Three-time world player of the year Cristiano Ronaldo will have to take on Real Madrid teammate Gareth Bale for the Ballon d'Or.

Chelsea's 4-0 win over Manchester United is a sure sign of their readiness to mount a bid for the Premier League title, according to Pedro Rodriguez.

Juan Martin del Potro has climbed 21 places to 42nd in the latest ATP world rankings published on Monday following his victory in Stockholm on Sunday.

There were no changes in the top 10 of the latest WTA rankings published on Monday, while Petra Kvitova of the Czech Republic slipped two places to 13th.

The International Olympic Committee (IOC) has hired Russian doping whistleblower Vitaly Stepanov as a consultant and is helping his runner wife Yuliya in recognition of their efforts, a spokesman said Monday.

Luiz Felipe Scolari admitted he was unsure about his future at Guangzhou Evergrande despite guiding the Asian giants to their sixth consecutive Chinese Super League title.

Edin Dzeko took his Serie A scoring lead to eight goals in nine games as Roma outclassed Palermo 4-1 to reclaim second spot and move to within two points off leaders Juventus on Sunday.

Lyon will be without Mathieu Valbuena for the next three weeks after the French international playmaker suffered a dislocated shoulder in Saturday's Ligue 1 defeat to Guingamp, the club announced on Monday.