in the 1971 Southern 500. He led a race-high 2

NEW YORK -- Maybe, just maybe, Novak Djokovic will work up a sweat in the U.S. Opens fourth round.He certainly has not been forced to expend much energy so far.After playing a total of 31 minutes after the first round, the No. 1 seed and defending champion plays for a berth in the quarterfinals Sunday night in Arthur Ashe Stadium against 84th-ranked Kyle Edmund of Britain.Djokovic did not play a point Wednesday, because his second-round opponent, Jiri Vesely, withdrew a couple of hours before the match, citing an arm injury. And then Djokovic only contested six games Friday, until his third-round opponent, Mikhail Youzhny, stopped because of a strained left hamstring, prompting the 12-time major champion to head back out on court with coach Boris Becker for a practice session.So the question was put to Djokovic: Is so little action a good thing, because it provides a chance to rest and heal after some trouble with his left wrist and right arm recently? Or is it a bad thing, because theres a chance of accumulating some rust?Well, depends at how you look at it, he began.This particular situation I never had in my Grand Slam career. But considering the stage of the season, you know, the amount of matches Ive played, what Ive been through with my body, I think its actually good to have some days off and then shorter matches -- from one side, Djokovic said.From the other side, sure, as you are approaching (the) second week of the Grand Slams, he continued, you want to have match play and you want to have time spent on the center court before you face one of the top players.Edmund and Andy Murray gave Britain two men in the round of 16 at the American Grand Slam tournament for the first time in 50 years, back when it was known as the U.S. Championships. Edmund is the first man from the country other than Murray to get this far at any Grand Slam tournament since Tim Henman was a semifinalist at the 2004 U.S. Open.Then theres this daunting stat for Edmund, who eliminated 20th-seeded John Isner of the U.S. in the third round: Djokovic has a 72-match Grand Slam winning streak against opponents ranked outside the top 50.Heres what else to watch Sunday at the U.S. Open:KEYS VS. WOZNIACKI: There will be a matchup of vastly contrasting styles when No. 8 Madison Keys takes on two-time runner-up Caroline Wozniacki in the afternoon on Ashe. Keys, a 21-year-old American, has among the most powerful serves and forehands in womens tennis today. Her aggressive approach will go up against the more conservative, defensive game of Wozniacki, a former No. 1 who is now ranked 74th. Wozniacki hadnt won at a match at a major tournament in 2016 until this week.NADAL VS. POUILLE: Rafael Nadal has been playing about as well as can be so far in New York heading into his match against No. 24 Lucas Pouille of France, dropping only 20 games -- his lowest total through three matches at the U.S. Open, which he won in 2010 and 2013. The left wrist injury that sidelined him for 2 1/2 months does not appear to be much of an issue any more for the 14-time major champion. Pouille is coming off his Grand Slam quarterfinal debut at Wimbledon.TSONGA VS. SOCK: Two guys equipped with big serves and big forehands meet when No. 9 Jo-Wilfried Tsonga of France plays No. 26 Jack Sock, the last U.S. man in the tournament. Tsonga was the runner-up at the 2008 Australian Open, while Sock will be trying to get to his first major quarterfinal -- and trying to be the first American man to make it that far at the U.S. Open since Andy Roddick and John Isner in 2011.---Follow Howard Fendrich on Twitter at http://twitter.com/HowardFendrich Jason Demers Coyotes Jersey . 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It is a cliché dragged out by fans and pundits regularly when discussions take place around which teams are better than others. CHARLOTTE, N.C. -- Tony Stewart is hoping that going old school will change his luck at Darlington Raceway for his final Southern 500.Stewart announced Wednesday that his No. 14 Coca-Cola Chevrolet will feature a paint scheme that replicates one on the car Bobby Allison drove to wins at the 1971 and 1972 Southern 500s.Stewart is a three-time NASCAR champion who has won 49 races, but none at Darlington. It is one of only two venues where Stewart is winless in NASCARs top division.He is hoping that replicating Allisons paint scheme changes all of that. His best finish at Darlington is third place.This is one race that it is a crown jewel that I havent got yet, Stewart said. This is my chance to cross one off my list.Stewarts throwback look will feature the old Coca-Cola tagline of that era The Real Thing emblazoned on the car, along with gold wheels and cubic-inch displacement boast on the hood. Stewart said he loves the paint scheme.Stewart said during a press conference at the NASCAR Hall of Fame that he is proud and honored to drive a car that replicates Allisons paint scheme.You want one that you are really passionate about, Stewart said. This is a paint schheme I am passionate about.dddddddddddd When I show up at the track Im going to be excited about driving this one.Stewart plans to retire following the season finale Nov. 20 at Homestead-Miami.Allison won back-to-back races at Darlington in 1971 and 1972, starting from the pole both times. He led 558 of the 734 laps available, including leading all but 38 laps in the 1971 Southern 500. He led a race-high 229 laps the following year in winning another one of his five top series races at Darlington.Those red-and-gold Coca-Cola cars were very good to me, said Allison, who was inducted into the NASCAR Hall of Fame in 2011. From 1970 through 1975, Coca-Cola was on my car and we won a lot of races. We won 11 races in `71, the most I ever had in a single season, and then we came back to win 10 more in `72.Allison called Stewart a real racer who would have fit right in with the drivers that ran during his era. He said watching Stewart drive will bring back some fond memories.I know what car Ill be watching in the Southern 500, Allison said. ' ' '