Here is a timeline of Djokovic's decline since the last of his 12 Grand Slam titles.
England defender Chris Smalling headed the only goal with five minutes left as they beat 10-man Portugal 1-0 in a turgid Euro 2016 warm-up match at Wembley in London, on Thursday.
A summary of sports events and persons who made news on Saturday
From soccer genius Lionel Messi to sprint king Usain Bolt, a shimmering array of the world's greatest sports stars are in the race for top honours at the prestigious Laureus World Sports Awards -- also called the 'Oscars of Sport' -- to be presented.
Inter will be his sixth club in a career which began when he made his debut for Anderlecht as a 16-year-old and has taken him to Chelsea, West Bromwich Albion and Everton.
England became only the sixth team to end a European qualifying campaign with a 100 percent record when they beat Lithuania 3-0 in their final Group E match on Monday.
Manchester City had to battle back from behind to earn a 1-1 draw against Premier League newcomers Wolverhampton Wanderers who gave the champions a real test at Molineux on Saturday.
World No 1 Kamil Stoch shrugged off a bout of sickness on Sunday to easily win the men's Olympic ski jump normal hill title, capturing Poland's first individual Winter Games title since 1972.
The 2014 Indian Grand Prix was on Tuesday dropped following a rejig in racing calendar for the coming year, according to race organisers JPSI, who said the motorsport extravaganza will now come back to the country in March 2015.
Spain and Italy were placed in the same qualifying group for the 2018 World Cup in Russia, as were the Netherlands and France, but holders Germany were handed a kinder campaign with the Czech Republic their chief rivals in the draw made on Saturday.
It is a mark of how far Tottenham Hotspur have come that they start as favourites to win what could be a pivotal Champions League Group E fixture away to Bayer Leverkusen on Tuesday despite the absence of key defender Toby Alderweireld.
ormula One races in Mexico and New Jersey are unlikely to happen next year, the sport's commercial supremo Bernie Ecclestone said on Sunday.
News of all that's transpired on and off the football field
One thing is certain: The part-Goan, part-Malayali group CEO of Air Asia is not your usual boardroom CEO, and he cultivates the maverick businessman image, buying race car teams and football clubs and taking off-beat bets with his mentor and now buddy Richard Branson of Virgin.
Red Star, who won the European Cup in 1991 and reached the latter stages the following season, finished second in Group H behind Arsenal who crushed BATE Borisov 6-0.
Atul Keshap would be 'a superb fit for Sri Lanka as he knows the ins and outs of the politics there and all the political players, including the new disposition in Colombo intimately,' US diplomatic sources in Washington, DC told Aziz Haniffa/Rediff.com
As the countdown to 2018 starts, it's time to rewind those moments in sport that stood out this year.
These 10 images prove that we live in a crazy, bizarre world.
It was the first time this season that Mercedes had failed to take pole and Sunday's race will be Williams's first start from the front of the grid since Venezuelan Pastor Maldonado in Spain in 2012.
Susie Wolff will be back at the wheel of a Williams Formula One car in Barcelona on Friday with little in the way of fanfare but a clear aim in mind.
On a day of frenetic spending that took the Premier League total to a record far above one billion pounds ($1.29 billion), Antonio Conte's side also missed out on two of their other targets - Alex Oxlade-Chamberlain and Fernando Llorente.
Lewis Hamilton battled back from an agonisingly slow start to win the Italian Grand Prix for Mercedes on Sunday and slash team mate Nico Rosberg's Formula One championship lead to 22 points.
Fernando Alonso has credited McLaren with restoring the motivation he lost after five years at Ferrari.
Wales will move higher than their richer rivals and neighbours England when the new FIFA rankings are announced after Euro 2016, the first sign for what, many predict, will be a bright future after they made history at the tournament. Playing in their first finals since 1958, the Welsh reached the last four of a major tournament for the first time and are expected to move up close to the top 10 countries in the world rankings.
Big cities are the breeding grounds for romance this year.
Lindsey Vonn put the 22 hardest months of her career behind her with a 60th World Cup victory.
Portugal's Nani is poised to make his 99th appearance for his country in a crunch clash with Hungary on Wednesday and has been an automatic choice for the Selecao for a decade, yet there is a feeling the forward has not fulfilled his dazzling potential. Nani, blessed with searing pace, mesmerisingly quick feet and more tricks than a children's entertainer, will turn 30 in November and Euro 2016 could give the Fenerbahce star the platform for a transfer back to one of Europe's elite leagues. Scorer of Portugal's sole goal at the tournament - a neat finish in a 1-1 draw with Iceland - Nani has so far outperformed his captain and former Manchester United team mate Cristiano Ronaldo although he should have added to his tally of 18 international goals in Saturday's stalemate against Austria.
Bundesliga champions Bayern Munich suffered their first league defeat in 18 months when they slumped to a 1-0 loss at Augsburg on Saturday as Sascha Moelder's first-half strike ended their record 53-game unbeaten league run.
Cristiano Ronaldo is a colossal figure in club football having completed a hat-trick of Champions League (1 Manchester United, 2 Real Madrid) victories. The three-time Ballon d'Or winner, Ronaldo has won several league titles. But the Portuguese magician tasted success for the first time with the national team as Portugal defeated hosts France to lift the 2016 Euro title.
News of all that's transpired on and off the football field
Images from Day 6 of the French Open matches played at Roland Garros in Paris on Friday.
Napoli began their Europa League group stage campaign in scintillating fashion.
Fiorentina fell behind to a spectacular scissors-kick goal from Pandurii's Eric Pereira before hitting back in the last five minutes to win 2-1 on Thursday and lead a charge of teams into the Europa League knockout stages.
Women archers were on target in the individual events, while Manoj Kumar scripted a triumph of the underdog in the boxing ring on the fifth day of the Rio Games.
Manchester United's woes deepened as stunning goals by Moussa Sow and Jeremain Lens gave Fenerbahce a 2-1 Europa League win on Thursday that left Jose Mourinho's side facing a battle to reach the knockout stages.
A summary of sports events and sports persons, who made news on Tuesday
Manchester City displayed champions' swagger as they roared clear at the top with a 5-0 trouncing of Burnley but it was drama which engulfed their neighbours Manchester United and Jose Mourinho that dominated the Premier League agenda on Saturday.
A round-up of Wednesday's night's UEFA Chmpions League matches.
Summary of sports events and persons who made news on Monday
Races in New Jersey, Mexico and South Korea were dropped from Formula One's official 2014 calendar on Wednesday, with the season remaining at 19 races instead of a record 22.
