Roger Federer is taking his battle with Novak Djokovic for the world number one spot down to the wire as he arrives at the Paris Masters, which begins on Monday as the hottest player on Tour. 

While the fight for the top place going to the final tournaments of the season, there is also a sub-plot set to unravel with the newly refurbished Bercy Arena set to determine the final eight places for London. 

Real Madrid took the spoils in the first El Clasico of the season as Luis Suarez's Barcelona debut ended in a 3-1 defeat.

A ninth consecutive win in all competitions takes Madrid to within a point of Barca at the top of La Liga.

Jurgen Klopp has vowed to fix Borussia Dortmund's dire Bundesliga form following their fourth straight league defeat with leaders Bayern Munich lying in wait.

Dortmund have yet to concede a goal in the Champions League with three straight wins after Wednesday's impressive 4-0 victory at Galatasaray and are top of Group D ahead of Arsenal, but are in free-fall in the Bundesliga.

Manuel Pellegrini has insisted it is too early to write off Manchester City's chances of retaining the Premier League title after their 2-1 defeat at West Ham United.

Saturday's loss at Upton Park was City's second league defeat of the season and meant they missed out on the chance to reduce what was Chelsea's five-point advantage at the top of the table ahead of the leaders' match at Manchester United on Sunday.

As the San Antonio Spurs face the possible end of an era, they attempt to repeat as NBA champions after a turbulent off-season topped by LeBron James returning to Cleveland.

Racism issues forced two team ownership changes, injuries hit stars Kevin Durant and Paul George and the league signed a nine-year television deal worth $24 billion that begins in 2016 in the four months since the Spurs won their fifth crown by beating Miami in the NBA Finals.

Arsene Wenger singled-out two-goal Alexis Sanchez for praise after Arsenal avoided their worst-ever start to a season under their French manager with a comfortable 2-0 victory at Sunderland.

Chile international Sanchez, a £30 million ($50.4 million, 37.6 million euros) pre-season signing from Barcelona, took his tally to eight goals in 15 appearances for the Gunners.

Serie A title challengers Roma dropped two precious points in a scoreless draw away to high-flying Sampdoria that could see Juventus restore their three-point gap at the top of the table.

Roma traveled to Genoa looking for a positive result following the humiliation of a 7-1 defeat to Bayern Munich in the Champions League on Tuesday.

Luis Suarez's Barcelona debut ended in defeat as Real Madrid cut the gap on the La Liga leaders to just a point as they came from behind to win El Clasico 3-1 on Saturday thanks to goals from Cristiano Ronaldo, Pepe and Karim Benzema.

Playing for the first time in a competitive game since being handed a four- month ban for biting Giorgio Chiellini at the World Cup, Suarez's Barca career had got off to a flying start as he set up Neymar to slide home the opening goal after just three minutes.

World number one Serena Williams smashed a racquet and recovered from a set down as she overcame stubborn resistance from Caroline Wozniacki in a gripping semi-final at the WTA Finals on Saturday.

The two-time defending champion started poorly but after her racquet paid the price, she dominated the second set and emerged victorious from a tense deciding tie-breaker to win it 2-6, 6-3, 7-6 (8/6).

UEFA's disciplinary committee on Friday awarded Serbia a 3-0 victory in their aborted Euro 2016 qualification match with Albania, but deducted them three points.

Albania's football federation responded by saying they would appeal the decision.