All about Madison Keys' win, Murray's absence from Davis Cup

Madison Keys maintained her dominance over Slovakian Dominika Cibulkova with a 6-1 6-3 victory on Monday to reach the U.S. Open quarter-finals.

Keys crushes Cibulkova to reach U.S. Open quarters

Madison Keys maintained her dominance over Slovakian Dominika Cibulkova with a 6-1 6-3 victory on Monday to reach the U.S. Open quarter-finals. The 14th-seeded American, looking to go one better than her runner-up finish at Flushing Meadows last year, relied on both her dangerous serve and powerful groundstrokes to deny Cibulkova any chance of an upset win.

Quality time with Miss Keys #usopen @Madison_Keys pic.twitter.com/tZDzPlkBbQ

— Sloane Stephens (@SloaneStephens) August 25, 2018

Big names and young guns turn up the heat at U.S. Open

Big names and up-and-comers were set to clash at the U.S. Open on Monday as soaring temperatures led tournament officials to bring the heat rule back into effect. The measure to allow breaks in matches was implemented for three days last week as the players battled sopping humidity and scorching heat.

Murray rules himself out of Davis Cup playoff tie vs. Uzbekistan

Andy Murray will miss Britain's Davis Cup playoff tie against Uzbekistan in Glasgow to focus on his rehabilitation following hip surgery. The former world number one returned to best-of-five-set tennis for the first time in 14 months at the U.S. Open last week but, after hobbling to defeat in the second round, he decided to skip the Sept. 14-16 World Group playoff tie.

Cilic topples Goffin to reach U.S. Open quarter-finals

Marin Cilic showed no ill effects from his grueling, late-night victory two nights ago as the Croatian seventh seed beat David Goffin 7-6(6) 6-2 6-4 on Monday to reach the U.S. Open quarter-finals. Former champion Cilic, who rallied back from a two-set deficit to clinch a four-hour, third round match that ended after 2:00 a.m. local time, made a sluggish start against the 10th-seeded Goffin but had enough gas in the tank to advance.

DeChambeau becomes first back-to-back winner on PGA Tour this year

Bryson DeChambeau became the first player to win consecutive tournaments on the PGA Tour this season when he clinched a two-stroke victory over Justin Rose at the Dell Technologies Championship on Monday. DeChambeau opened a four-stroke lead early on the back nine en route to a four-under-par 67 at TPC Boston in Massachusetts.

BACK.TO.BACK.@B_DeChambeau captures the second #FedExCup Playoffs event, winning @DellTechChamp by two shots.#LiveUnderPar pic.twitter.com/f6Mu6pGZ0a

— PGA TOUR (@PGATOUR) September 3, 2018

Jets name Darnold starting QB

The New York Jets have officially turned over the offense to the new face of the franchise Sam Darnold. The No. 3 overall pick from Southern California was named the starting quarterback by coach Todd Bowles on Monday as the Jets close in on their Sept. 10 opener against the Detroit Lions.

NFL's Kaepernick to be a face in Nike's 'Just Do It' campaign

Nike Inc has chosen Colin Kaepernick, the first NFL player to kneel during the national anthem as a protest against racism, as one of the faces for advertisements commemorating the 30th anniversary of its "Just Do It" slogan, a move that could draw U.S. President Donald Trump's ire. "Colin has been a Nike athlete since 2011," Nike spokeswoman Sandra Carreon-John said on Monday. "Colin is one of a number of athletes being featured as part of our 30th anniversary of Just Do It."

Djokovic beats heat and Sousa to reach U.S. Open quarters

Novak Djokovic sweated his way to a 6-3 6-4 6-3 fourth-round win over Portugal's Joao Sousa as the heat returned to the U.S. Open on Monday, setting up a potential quarter-final with second seed Roger Federer. Djokovic improved his perfect record in U.S. Open fourth round contests to 11-0, leaving it to Federer, who plays Australian John Millman in the late contest on the Arthur Ashe Stadium court, to give the fans a mouthwatering match-up.

Osaka reaches first Grand Slam quarter-final

Japan's Naomi Osaka reached her first Grand Slam quarter-final by beating Aryna Sabalenka 6-3 2-6 6-4 in a pressure-packed clash of two hard-serving 20-year-old prospects. Osaka, who won the Indian Wells Masters tournament in March, fired nine aces and produced 32 unforced errors, 10 fewer than her Belarussian opponent, in a gutsy defensive performance.

Nishikori outclasses Kohlschreiber to reach U.S. Open quarters

Kei Nishikori will hope to make another deep run at his most successful Grand Slam event after he outclassed Philipp Kohlschreiber 6-3 6-2 7-5 to reach quarter-finals of the U.S. Open on another blazingly hot day on Monday. The Japanese 21st seed, a finalist at Flushing Meadows in 2014 and a semi-finalist in 2016, fired 29 winners to end the run of Germany's Kohlschreiber, who had beaten fourth seed Alexander Zverev in the previous round.

(With inputs from Reuters)