Reuters Sports News Summary

Following is a summary of current sports news briefs.

National Football League roundup

Dallas Cowboys owner Jerry Jones said issues surrounding the ongoing negotiations to extend commissioner Roger Goodell's contract, not the suspension of star running back Ezekiel Elliott are the reason he is threatening to sue the NFL. Jones, who also is the team's general manager, said he is "disappointed" the Cowboys likely will be without Elliott for the next six games but the possible lawsuit against the league and other owners has nothing to do with how he believes Elliott has been treated in the league's investigation into domestic violence.

Aly Raisman says she was abused by team doctor: CBS '60 Minutes'

Three-time Olympic gold medalist Aly Raisman said she was sexually abused by former USA Gymnastics' team physician Larry Nassar, according to an interview with CBS News program "60 Minutes" that will air on Sunday. The American gymnast is the most prominent athlete to come forward so far about Nassar, who is in jail awaiting sentencing after pleading guilty to federal child pornography charges.

Highlights of Friday's NHL games

Highlights of National Hockey League games on Friday: Senator 4, Avalanche 3

Interview: Russian refusal to admit doping could block Olympic path - WADA

Russia's refusal to accept responsibility for widespread state-sponsored doping uncovered in the McLaren report could prevent its competitors taking part in the 2018 Winter Olympics, WADA director general Olivier Niggli said on Friday. One of the 19 conditions the World Anti-Doping Agency laid out in a 'Roadmap to Compliance' requires the authorities responsible for Russia's anti-doping program, including the Ministry of Sport and National Olympic Committee, to publicly accept the findings of the McLaren investigation.

Four-star Hamilton dominates Brazil free practice

Lewis Hamilton, with four world championship stars freshly painted on his race helmet, smashed the Interlagos track record as Mercedes dominated Brazilian Grand Prix practice on Friday. Showing no let up after clinching his fourth world title in Mexico two weeks ago, Hamilton was quickest in both sessions with a best time of one minute 09.202 seconds in the sunny morning session.

Golf: Fowler continues strong play on second day at Mayakoba

Rickie Fowler continued his excellent start to the season on Friday, staying one stroke off the lead at 10-under par through 15 holes during a rain-shortened second day at the OHL Classic at Mayakoba. The world number 10, making his first start since the Presidents Cup, will hope to finish his round at the El Camaleon Golf Club in Playa Del Carmen, Mexico on Saturday, although more wet weather is in the forecast.

Highlights of Friday's NBA games

Highlights from National Basketball Association games on Friday: Celtics 90, Hornets 87

WADA says has database proving widespread Russian doping

The World Anti-Doping Agency (WADA) said on Friday it had obtained a database that confirmed allegations of widespread state-sponsored doping in Russia made in the McLaren report. WADA said it was confident the file acquired by its Investigations and Intelligence department is the Moscow anti-doping laboratory's testing data from January 2012-August 2015.

Cowboys owner says Elliott case not cause of Goodell rift

Dallas Cowboys owner Jerry Jones said the reason he is threatening to sue the NFL are issues surrounding extending commissioner Roger Goodell's contract, not the suspension of star running back Ezekiel Elliott. Jones, who also is the team's general manager, said he is "disappointed" the Cowboys likely will be without Elliott for the next six games but the possible lawsuit against the league and other owners has nothing to do with how he believes Elliott has been treated in the league's investigation into domestic violence.

Federer leads unfamiliar cast as Nadal sweats over injury

The huge hoardings around the O2 Arena promoting the season-ending ATP Finals will get some quizzical looks this year with several familiar faces conspicuous by their absence. Home favorite Andy Murray, who memorably won the 2016 title to end the year ranked number one, three-times London champion Novak Djokovic, who Murray beat, pugnacious Swiss Stan Wawrinka and Kei Nishikori, along with his Japanese fan club, are all absent after succumbing to injuries.