Top visits second in La Liga on Saturday as Celta Vigo host Real Madrid hoping to dish out the same punishment that saw Barcelona thrashed 4-1 in Galicia last month.

Celta separate Madrid and Barca on goal difference with all three tied on 18 points at the top after eight games.

Ahead of his 30th birthday on Saturday, the view of Wayne Rooney as a player whose career, though hugely successful, has not quite fulfilled its early promise is being quietly reappraised.

The Manchester United and England captain may no longer be the force of nature of his teens, but the dawn of his fourth decade brings the achievements of his 13-year professional career into sharp focus.

Liverpool manager Jurgen Klopp said he was not on a mission to "change football" after a 1-1 Europa League draw with 10-man Rubin Kazan in his first home game.

Klopp's appointment as the successor to Brendan Rodgers has generated huge optimism among Liverpool's fans, who hope he will transform their club in the manner he did with his former side Borussia Dortmund.

Athletes from tribes around the world kicked off what's being dubbed the indigenous olympics on Thursday with the lighting of a sacred fire in Brazil's Amazon city of Palmas.

The event is billed as a chance for indigenous peoples from as far as Ethiopia and Mongolia to test their mettle alongside other traditional tribes in sports including archery, spear throwing, and racing with heavy logs.

Dutch legend Johan Cruyff, regarded as one of the world's greatest-ever footballers, has been diagnosed with lung cancer, his management team said on Thursday, as messages of support poured in.

"In the last few weeks Johan Cruyff has undergone medical tests at a Barcelona hospital. He has been diagnosed with lung cancer," Carol Thate said in a statement.

Valentino Rossi and Jorge Lorenzo bring their two-man battle for the MotoGP title to Malaysia's tricky track this weekend for the penultimate race in a season streaking toward a nail-biting finish.

The contest between the Yamaha teammates tightened at last weekend's spectacular Australian Grand Prix, where Lorenzo shaved Rossi's season points lead down to just 11.

Real Madrid coach Rafa Benitez described his injury-hit team's performance in holding Paris Saint-Germain to a 0-0 draw at the Parc des Princes on Wednesday as "exceptional".

"We deserved to win the match. Given the circumstances the performance of the team was not good, it was exceptional," said Benitez after the Group A clash that failed to live up to expectations as a spectacle but edged both clubs a step closer to qualification for the last 16.

Japanese superstar Kohei Uchimura and American Simone Biles will be looking to reap more gold in the pre-Olympic World Gymnastics Championships starting in Glasgow on Friday.

Gymnasts can secure qualification for the 2016 Rio Games at the championships which will be staged at the Hydro Arena from October 23 to November 1.

Manchester City manager Manuel Pellegrini branded Kevin De Bruyne the "perfect" signing after the Belgian forward's 91st-minute goal snatched a 2-1 Champions League victory over Sevilla.

With Wednesday's Group D game at the Etihad Stadium poised at 1-1, Pellegrini rejigged his attack by moving De Bruyne up front and the change paid off when the 24-year-old fired home left-footed from Yaya Toure's pass.

Juventus coach Massimiliano Allegri slammed the selfish players whose misses heaped unwelcome pressure on the Italian champions following a scoreless draw with Champions League rivals Borussia Monchengladbach on Wednesday.

After beating Manchester City (2-1) away and dominating Sevilla in a 2-0 win last time out, Juve, last season's beaten finalists, were fully expected to claim their third consecutive win to keep City at arm's length.