Sports News Roundup: Jones, Nunes power to UFC title triumphs; WADA discussing date for lab visit as deadline nears, says Russia

Following is a summary of current sports news briefs.

NHL roundup: Capitals edge Senators for fourth straight win

Madison Bowey and Tyler Lewington each scored their first NHL goals and the visiting Washington Capitals defeated the Ottawa Senators 3-2 on Saturday night for their fourth straight win. Tom Wilson had a goal and an assist for Washington, which is 9-1 in its past 10 games and 16-3 since mid-November. Pheonix Copley made 31 saves. Lewington added an assist.

Impressive Federer gives Switzerland winning start at Hopman Cup

World number three Roger Federer outplayed Briton Cameron Norrie 6-1 6-1 to secure a winning start for defending champions Switzerland at the Hopman Cup on Sunday. Gearing up for his Australian Open title defense, Federer overcame three break points in his opening service game before rediscovering his rhythm to race out to a 5-0 lead.

Jones, Nunes power to UFC title triumphs

Jon Jones returned from a 15-month doping ban to reclaim the Ultimate Fighting Championship light-heavyweight title with a third-round technical knockout win over Alexander Gustafsson, capping off a dominant display with a series of ground strikes. In Saturday's co-main event, Amanda Nunes scored a devastating first-round knockout win over fellow Brazilian Cris Cyborg to add the featherweight title to her bantamweight crown, becoming the first woman to hold two UFC belts simultaneously.

NBA roundup: Harden scores 41, Rockets stay hot

James Harden scored 41 points as the red-hot Houston Rockets held off the host New Orleans Pelicans 108-104 on Saturday night. Harden had his third straight game with at least 40 points and his seventh straight with at least 35 as the Rockets won for the ninth time in 10 games.

WADA discussing date for lab visit as deadline nears: Russia

Moscow and the World Anti-Doping Agency are discussing a date for WADA experts to visit and receive laboratory data, Russia's sports minister said on Saturday, as Russia's anti-doping agency, RUSADA, stands on the verge of suspension. RUSADA was stripped of its accreditation in 2015 after a WADA-commissioned report found evidence of widespread state-sponsored doping in Russian athletics, but conditionally - and controversially - reinstated in September.

Alpine skiing: Shiffrin passes heroine Schild with record 36th World Cup slalom win

American Mikaela Shiffrin became the women's all-time World Cup leader in slalom wins, surpassing childhood heroine Marlies Schild with her 36th career victory in Semmering, Austria, on Saturday. "Marlies for me is always going to be the best," Shiffrin, who also became the first ski racer in history to win 15 World Cup races in a single calendar year, told reporters.

Top 25 roundup: Western Kentucky stuns No. 15 Wisconsin

Taveion Hollingsworth scored a team-high 22 points and Charles Bassey shot 7-for-8 from the field to finish with 19 points to lead host Western Kentucky to an 83-76 upset over No. 15 Wisconsin in Bowling Green, Ky. The Hilltoppers (7-6) shot 55.2 percent from the field and outscored the Badgers (10-3) 53-42 in the second half to pull off the shocker.

Wizards guard Wall undergoes season-ending heel surgery

Washington Wizards All-Star point guard John Wall will undergo season-ending surgery on his left heel next week and is expected to be sidelined for six to eight months, the team announced on Saturday. Wall, who has reportedly been dealing with bone spurs in the troublesome heel for several years, sat out Washington's loss to Chicago on Friday and the victory over Charlotte 24 hours later.

Australian Open tweaks extreme heat policy

Players in the men's draw at the Australian Open will be allowed 10-minute breaks during matches as part of an updated extreme heat policy at the year's first Grand Slam. Melbourne Park regularly sees days of scorching weather and organizers have come under fire from players who have complained of health and safety risks under the previous heat regime.

Alpine skiing: Shiffrin emotional over bittersweet slalom record

Mikaela Shiffrin said that surpassing Marlies Schild on Saturday to become the women's all-time World Cup leader in slalom was bittersweet since she always felt her childhood idol deserved to hold the record. The 23-year-old American, who surpassed Schild with her 36th World Cup slalom win in Semmering, said she had an emotional dream about breaking the Austrian great's record while taking a nap before a training run in Lake Louise earlier in December.