Manchester City's title charge gained further momentum with a humbling 3-0 win at fierce rival Manchester United but Arsenal's hopes of winning the Premier League were dented by drawing 2-2 with Swansea on Tuesday.

Edin Dzeko scored twice — his first coming inside 43 seconds — and Yaya Toure added a late third at Old Trafford for City, which trimmed its deficit to leader Chelsea to three points and still has two games in hand.

Top seed Rafael Nadal and reigning Aussie Open champ Stanislas Wawrinka posted straight-set victories in the third round at the WTA and ATP Miami Masters hardcourt tournament on Monday.

French Open champ Nadal needed just 59 minutes to rout Denis Istomin of Uzbekistan, 6-1, 6-0 while Wawrinka cruised into the fourth round with a 7-5, 6-4 dismantling of Edouard Roger-Vasselin of France at Crandon Park.

The Philadelphia 76ers lost their 25th game in a row Monday, moving to within one game of equaling the National Basketball Association's mark for futility in the league.

Austin Daye came off the bench to score 22 points as San Antonio cruised to a 113-91 over the hapless 76ers, who can match the longest single season losing streak in history with a loss to Houston on Thursday.

Sixteen-year-old Mohammad Salman thought he was destined to live his life on the mean streets of Karachi, addicted to drugs, begging for survival and with no prospects for a better future.

Now he is set to represent Pakistan in the second edition of the Street Child World Cup which starts in Brazil this week.

Real Madrid boss Carlo Ancelotti is determined that his side bounce back straight away from their dramatic 4-3 defeat to Barcelona when they travel to Sevilla on Wednesday.

Los Blancos were knocked off top spot in La Liga by Atletico Madrid after losing for the first time in 31 games in all competitions.

Italy coach Cesare Prandelli has agreed to a two-year contract extension, keeping him in charge of the team until 2016.

Prandelli said: "I am proud of the fact the Italian federation offered me an extension regardless of the results at the World Cup, and that's why I was completely willing."

As statements of intent go, it couldn't have been much bigger.

"If we only consider this season," Manchester City manager Manuel Pellegrini said, "there is just one club in Manchester — and it's ours."

Brazil defender Dante has extended his contract with Champions League winner Bayern Munich until 2017.

The Bundesliga club said Dante signed a one-year extension.

Barcelona's thrilling 4-3 away victory over Real Madrid was one of the greatest “clasico” clashes in history, Spain's press said Monday, declaring the La Liga title race now wide open.

Barcelona's Lionel Messi, helped by Andres Iniesta, conquered the Bernabeu, papers said, after the Argentinian scored a hat trick that made him the most prolific scorer in the history of “clasico” matches between the arch rivals.

Oscar Pistorius's murder trial entered its fourth week on Monday with more testimony on gunshots and a woman's terrified screams on the night the star Paralympian shot dead his glamorous girlfriend.

Anette Stipp, a neighbor and one of the prosecution's last witnesses, said she heard shots, then a woman screaming, then more gunshots in the early morning hours on Valentine's Day last year.