Jose Mourinho has warned his Chelsea stars to beware another significant setback at Crystal Palace on Saturday as the Premier League leaders return to action after the international break.

Mourinho's side lead the table by five points after winning six of their first seven matches and are widely expected to cement that position when they travel to Selhurst Park this weekend.

Brendan Rodgers expects Raheem Sterling to silence the critics as the Liverpool midfielder looks to put a difficult week behind him at QPR on Sunday.

Sterling endured some unpleasant jibes after telling England manager Roy Hodgson he felt too tired to start last weekend's Euro 2016 qualifier against Estonia.

The WTA said Friday it has fined Russian Tennis Federation President Shamil Tarpischev $25,000 over a comment questioning the gender of Serena and Venus Williams.

In a statement released on Friday, WTA chief executive Stacey Allaster blasted the remarks made on a late-night chat show, which according to translations circulated on English-language social media included referring to the U.S. superstars as the "Williams brothers."

FIFA's top judge said Friday that football's governing body cannot release in full a controversial report into the bidding for the 2018 and 2022 World Cups for legal reasons.

FIFA has faced mounting calls, including from Michael Garcia, the former U.S. federal prosecutor who led the investigation into the bid, for all of the report to be made public.

In the week that he marked the 10th anniversary of his competitive debut for Barcelona, Lionel Messi could become the all-time top scorer in the history of La Liga.

The Argentine made his bow as a 17-year-old in a 1-0 win at city rivals Espanyol on October 16, 2004. Now he is preparing to face Eibar at the Camp Nou on Saturday needing just two goals to equal Telmo Zarra's all-time Spanish top-flight record of 251, set in the 1950s.

Oscar Pistorius should be jailed for at least 10 years for killing his model girlfriend Reeva Steenkamp, the prosecution said Friday as the star sprinter's sensational trial approached its climax.

Slapping down defence claims that the "broke and broken" Paralympic and Olympic athlete had already suffered enough, prosecutor Gerrie Nel said "the minimum that society will be happy with is 10 years imprisonment."

Azerbaijan's German coach Berti Vogts has resigned from his position, the country's media reported Friday.

Reports said that Vogts had informed Azerbaijan football federation chief Rovnag Abdullayev about his decision, adding that he could not continue in the post under existing conditions.

Spaniard Fernando Alonso is leaving Ferrari because he "can't wait much longer" if he wants to win another world title, outgoing Ferarri chief Luca de Montezemolo confirmed on Thursday.

Former two-time world champion Alonso was widely rumored to be leaving the Italian giants at the end of the current season, two years before his contract ends.

Italy is unlikely to witness gay footballers from publicly revealing their sexuality because of homophobic attitudes in the country's professional leagues, said Roma goalkeeper Morgan De Sanctis.

"... homosexuality exists in Italian football. Out of 400-500 players, 2-3 % are for sure gay, but no one has had the courage to come out because unfortunately ours is a homophobic environment", De Sanctis told Gazzetta dello Sport.

Barcelona star Lionel Messi should not be including in a fraud probe because he had nothing to do with his own tax affairs, the Argentine player's father and manager Jorge said Thursday.

The player and his father were accused last year of not paying 4.16 million euros ($5.26m, 3.26m pounds) in tax on earnings from the player's image rights from 2007-2009 through the creation of a web of shell companies in Belize and Uruguay.