Six months after her shocking upset of Venus Williams in the first round at Wimbledon, 15-year-old Coco Gauff repeated the feat with a 7-6 (5), 6-3 win over the former world No. 1 in the opening round of the Australian Open on Monday in Melbourne. More »

The Houston Texans replaced defensive coordinator Romeo Crennel with defensive line coach Anthony Weaver, multiple outlets reported Monday. More »

Jan 20 (Reuters) - Arsenal manager Mikel Arteta kept his transfer cards close to his chest and said on Monday that the club were not close to signing new players in the January transfer window. More »

Here are the top sports stories and upcoming coverage plans for Reuters text service as of 2:00 p.m. GMT/9:00 a.m. ET. For a full schedule of news and events, go to our editorial calendar on Reuters Connect https://www.reutersconnect.com/planning. More »

MELBOURNE (Reuters) - Second seed Novak Djokovic was forced to work hard by Germany's Jan-Lennard Struff in his first match of the Australian Open on Monday before prevailing 7-6(5) 6-2 2-6 6-1 to stay on course for a record-extending eighth title at Melbourne Park. More »

Jan 20 (Reuters) - Newcastle United center back Paul Dummett and on-loan left back Jetro Willems will play no further part this campaign after sustaining season-ending injuries, manager Steve Bruce confirmed on Monday. More »

(Reuters) - As Tiger Woods makes his first attempt this week at surpassing Sam Snead for the most all-time PGA Tour victories, the man largely responsible for pegging Snead's number at 82 has weighed in with his thoughts on how the two greats compare. More »

Jan 20 (Reuters) - Former defender and television pundit Gary Neville has said Manchester United should sack chief executive Ed Woodward as he has overseen a period of decline despite the Premier League club having one of the largest wage bills in the world. More »

AMSTERDAM (Reuters) - Iran's only female Olympic medalist Kimia Alizadeh, who has said she had left her homeland because she had had enough of being used as a propaganda tool, is moving to Germany, her Dutch coach said. More »

AMSTERDAM, Jan 20 (Reuters) - Iran's only female Olympic medallist Kimia Alizadeh, who has said she had left her homeland because she had had enough of being used as a propaganda tool, is moving to Germany, her Dutch coach said. More »

MELBOURNE (Reuters) - Stefanos Tsitsipas called for fans to be "a little more respectful" of his opponents after a rowdy first match win over Italy's Salvatore Caruso at the Australian Open on Monday. More »

MELBOURNE (Reuters) - World number one Ash Barty made a stuttering start to her bid to end her country's long wait for a homegrown Australian Open champion on Monday before calming the nerves of her compatriots with an emphatic 5-7 6-1 6-1 victory over Lesia Tsurenko. More »

Jan 20 (Reuters) - Southampton must learn to retain their intensity and press throughout the 90 minutes after defeat by Wolverhampton Wanderers denied Saints the chance to break into the Premier League's top 10, manager Ralph Hasenhuettl said on Monday. More »

(Reuters) - This year's world rally championship has been reduced to 13 rounds after Chile was removed at the request of local organizers, the governing FIA said on Monday. More »