French football clubs have unanimously agreed not to play any matches over one weekend at the end of November to protest against government plans for a super-tax on players' salaries.

France's professional clubs held an extraordinary general meeting Thursday to decide the next steps in their campaign against the government's plan to implement a 75-percent tax law for those who earn more than 1 million euros ($1.38 million) per year.

After attempts by Jamaica's anti-doping commission to delay an inquiry, a team from the World Anti-Doping Agency is scheduled to visit the island next week to begin a special audit of the sprinting powerhouse's drug testing regime.

Herb Elliott, the chairman of the Jamaica Anti-Doping Commission, said Wednesday that three WADA officials will be on the Caribbean island Monday and Tuesday to inspect the agency in the wake of revelations of a near-complete breakdown of the commission's out-of-competition testing from January 2012 to the July opening of the London Olympics.

Top-ranked Serena Williams overcame Agnieszka Radwanska 6-2, 6-4 for her second win in two matches at the WTA Championships on Wednesday and all but sealed a spot in the semifinals.

Jelena Jankovic topped second-ranked Victoria Azarenka 6-4, 6-3 in her first match at the tournament and fourth-seeded Li Na opened her campaign with a 6-3, 7-6 (5) victory over Sara Errani.

Cristiano Ronaldo and Zlatan Ibrahimovic warmed up for their World Cup playoffs meeting with high-scoring displays for Real Madrid and Paris Saint-Germain in the Champions League on Wednesday.

Ronaldo's two goals lifted Madrid to a 2-1 home victory over Juventus in the marquee matchup of the day, although the Portugal star was topped by Sweden's talismanic forward.

Japan is scaling down the planned main stadium for the 2020 Tokyo Olympics, following an uproar from some prominent architects who think it's too big and expensive.

Hakubun Shimomura, the minister in charge of education, sports and science, told Parliament Wednesday the stadium designed by award-winning British-Iraqi architect Zaha Hadid would cost 300 billion yen ($3 billion) to build, and that was "too massive a budget." He says Hadid's design will be used but the project will be scaled back.

Top-ranked Serena Williams breezed past Angelique Kerber 6-3, 6-1 to open her bid for a fourth ATP Championships title on Tuesday.

Williams, the defending champion, had no trouble against Kerber, who also lost to the American 6-4, 6-1 in the round-robin at this event last year. Kerber was the only player to beat Williams last year - in Cincinnati - after the American's first-round ouster at the French Open.

Athletes who fail to clinch gold at the 2014 Sochi Winter Olympics can take home something else: a $900 smartphone from Samsung.

Samsung Electronics Co. is giving the Galaxy Note 3 smartphone to all athletes competing at the Sochi Games in February.

Any time an NBA franchise is trying to do something only previously done by the Boston Celtics and Los Angeles Lakers, that's rarefied air.

That's what the Miami Heat is trying to reach this season.

Lionel Messi preserved Barcelona's unbeaten start to the Champions League by equalizing in a 1-1 draw at AC Milan while Arsenal's 100 percent record disappeared with a 2-1 home defeat to Borussia Dortmund in Tuesday's other marquee match.

Atletico Madrid made it three wins from three thanks to a double from in-form striker Diego Costa in a 3-0 victory at Austria Vienna, leaving the Spanish side on the brink of the last 16 already to continue its brilliant start to the season.

Real Madrid star Cristiano Ronaldo believes there has been too much pressure heaped upon his new teammate Gareth Bale due to his enormous price tag.

The Welshman arrived from Tottenham Hotspur in September for a fee of 91 million euros ($124.5 million, £77 million), according to Real president Florentino Perez.