Striker Costa ends second spell at Atletico Madrid.
Saudi club Al-Hilal have furiously demanded a formal probe into the appointment of the referees for the Asian Champions League final, which they lost 1-0 on aggregate to Australia's Western Sydney Wanderers last weekend.
Summary of sports events and persons who made news on Friday
WTA chief promises 'strong reactions' to ban on Russian, Belarusian players
Liverpool's hopes of winning their first title in 24 years suffered a huge setback when they lost 2-0 at home to Chelsea and Manchester City took advantage with a 2-0 victory at Crystal Palace.
As India's Dattu Bhokanal will be competing in the men's singles sculls rowing event fat the Rio 2016 Olympics, on Saturday, here is a beginner's guide.
News of all that's transpired on and off the football field.
Lack of infrastructure and racing culture among the Indians have resulted in motorsports not being able to grow as quickly as it could have in the country, feels racing enthusiast and businessman Gautam Singhania.
The list of international sporting events affected by a new virus outbreak in China grew on Wednesday with skiing World Cup races in Yanqing cancelled and Olympic women's football in Australia in doubt over concerns about athletes' safety. Badminton, tennis and basketball were among other sports whose governing bodies were rearranging events, weighing possible changes or monitoring the implications of the outbreak.
Liverpool did not reveal the transfer fee but Southampton announced it was "a new world-record for a defender" with English media reporting that it was a 75 million pounds ($100.49 million) deal.
'Luis Enrique has been very important to us and we're all at ease with him.'
So while Halep went about dominating Serena, here are some famous people who got a ringside view of the action
Mexican midfielder Jesus Corona scored for the second match in a row as 10-man Porto returned to winning ways and moved to the top of the Portuguese Primeira Liga with a 1-0 home win over Maritimo on Wednesday. Porto now have 63 points from 26 matches, two clear of second-placed Benfica with eight rounds remaining in this season's championship in a two-horse race for the title.
Arsenal cruised to a 3-0 win over Chelsea on Saturday, scoring all three goals in the first half to claim their first Premier League victory over their London rivals in 10 attempts. Arsenal gave their manager Arsene Wenger something to celebrate as he marked 20 years in charge of the club, punishing Chelsea for poor defending to race into a 2-0 lead within 15 minutes.
The virtual sound has been developed with video game company EA SPORTS FIFA, in a project called Sounds of the Stands.
How Nadal surpassed the haul of Roger Federer and Novak Djokovic.
India's golfer Shubhankar Sharma made a superb start with a five-under 66 to lie tied second on the first day of the Italian Open.
Goalkeeper Alisson Becker scored a stunning header in the fifth minute of stoppage-time as Liverpool snatched a 2-1 victory at the death against relegated West Bromwich Albion at The Hawthorns on Sunday.
Joginder Tuteja looks at filmmakers who have been away from the marquee for a long time, and are returning with a brand new film.
Former Manchester United striker Andy Cole is recovering in hospital after undergoing a kidney transplant, the club said in a statement on Friday.
Champions League holders Real Madrid will have to work around a string of injuries to key players in a tough match against CSKA Moscow, manager Julen Lopetegui said on Monday.
Sri Lanka sealed their qualification for the Super League stage with a dramatic victory over West Indies, while South Africa defeated Ireland to also book their place in the quarter-finals at the Under-19 World Cup.
Manchester City chalked up yet another victory to maintain their stranglehold of the Premier League title race but pursuers Manchester United and Leicester City both secured important wins to enhance their top-four bids on Sunday.
Mercedes team boss Toto Wolff indicated that the potential sanctions are sufficiently draconian to make both think twice if not three times.
Mohun Bagan with 39 points from 16 matches enjoy a point difference which is insurmountable by any other team even if all other matches had been played and concluded as a normal course of action
Under mounting pressure from sponsors and Native American rights groups, Washington Redskins owner Dan Snyder said on Friday he would consider changing the name of the National Football League team whose roots date back to the 1930s. Snyder, who has previously stated he would not change the name, softened his stance a day after FedEx Corp, which owns the naming rights to the team's Landover, Maryland, stadium, called for the NFL club to be rebranded.
News of all that's transpired on and off the football field
'How can so many misfortunes fall on one beautiful family?'
To miss UEFA Super Cup match against Chelsea
A former India international, who won the SAFF Cup in his debut season in 1997, Jamil had been at the helm of Mumbai FC for seven seasons but his moment of glory came when he guided Aizawl FC to their maiden I-League title in a path-breaking last season.
71-year-old Sven-Goran Eriksson won 18 trophies with various clubs in Sweden, Portugal and Italy, between 1979 and 2000, and became the first manager to win league-and-cup doubles in three countries.
Champions Bayern Munich eased past hosts Fortuna Duesseldorf 4-1 on Sunday with winger Kingsley Coman scoring twice, to go a point clear at the top of the Bundesliga.
News of all that's transpired on and off the football field
Real Madrid coach Zinedine Zidane has ended speculation regarding the future of Colombian international James Rodriguez by confirming the 25-year-old winger will remain at the club.
Ayew strikes as Palace hold Southampton to 2-2 draw
Setien was named Barcelona coach late on Monday, tasked with the job of restoring the club's iconic passing style, but the appointment represents a huge gamble for the Catalans given the 61-year-old's lack of success at the highest level.
IMAGES from the English Premier League matches played on Saturday.
The Egyptian reached the 40-goal mark across all competitions this season in Liverpool's 3-0 Premier League win over Bournemouth on Saturday and is leading the race for the European Golden Shoe after an impressive campaign.
News of all that's transpired on and off the football field
A preview of the line-up action in the English Premier League
