Barcelona face another serious question of their credentials this weekend as they travel to high-flying Sevilla. Real Madrid have a contrasting task in hosting lowly Leganes, while Atletico Madrid and Villarreal will look to keep pace as they also attempt to avoid upsets.Sevilla v Barcelona (Sunday, 7.45pm, Sky Sports 1HD) The La Liga champions travel to Andalucia on the back of a 3-1 defeat to Manchester City, having had their defensive vulnerabilities exposed by Pep Guardiolas side, but in retrospect they had it coming.Their form had looked questionable, with a last-gasp winner at struggling Valencia followed by a narrow 1-0 win against bottom club Granada at the Nou Camp.The absence of key trio Andres Iniesta, Jordi Alba and Gerard Pique has hit Barca hard, and Luis Enrique will be desperate to have the latter duo back for what could be a crucial clash. Samir Nasri has impressed since joining Sevilla on loan Their hosts have arguably been the over-performers of the season, sitting third after losing just one of their first 10 games and claiming the significant scalp of Atletico Madrid a fortnight ago.That was an extension of some formidable form at home, with maximum points claimed in 19 of their last 22 matches at the Ramon Sanchez Pizjuan, including a 100 per cent record this season. Football Score Centre app Sky Sports customers can watch Premier League goals and highlights every weekend at no extra cost. The arrival of Samir Nasri has had a huge impact and provided the quality to go with the intense pressing style that manager Jorge Sampaoli has imposed on his new side.Despite all of the above, Barca are considered odds-on favourites with Sky Bet, who make Sevilla 19/5 to make it six wins from six at home and really announce themselves as genuine title contenders.Prediction: Sevilla to win and both teams to score - 6/1 with Sky Bet Sevilla vs Barcelona November 6, 2016, 7:30pm Live on Get Sky Sports Get a Sky Sports pass Real Madrid v Leganes (Sunday, 11am, Sky Sports 3HD)Much like their great rivals, significant question marks surround Real Madrid after 10 games, with defensive absentees also hampering them.Zinedine Zidanes men do, however, still sit top of La Liga and are unbeaten in all competitions, so talk of a crisis is some way off, but a failure to keep a clean sheet in any of their last 10 games is cause for concern.They had actually only conceded once in each of their four successive wins heading into the midweek Champions League action, but a 3-3 draw at Legia Warsaw has got alarm bells ringing. Legia Warsaw held Real Madrid to a 3-3 draw Some might point to the inclusion of back-up player Nacho in Pepe and Sergio Ramos absence, but Zidanes reluctance to protect his backline with a holding midfielder is perhaps the greater issue.The French legend started two strikers, Karim Benzema and Alvaro Morata, along with two attacking-midfielders and Gareth Bale and Cristiano Ronaldo in Poland. If theres an all-out attack button in real management then Zidane has had it switched on.However, Leganes hardly look poised to exploit any defensive vulnerabilities on Sunday, having lost their last three, conceding nine goals, and failing to score in their last two.Prediction: Real Madrid to win and over 4.5 goals - 5/6 with Sky Bet R Madrid vs Leganes November 6, 2016, 10:55am Live on Get Sky Sports Get a Sky Sports pass Elsewhere....Sundays second fixture promises to be an intriguing one, with two sides enduring contrasting fortunes meet at the Balaidos.Celta Vigo are proving to be Spains entertainers, with no less than four goals in each of their last six games in all competitions, while Valencia are showing signs of dragging themselves out of the mire under Cesare Prandelli.The other 3.15pm kick-off sees Athetic Bilbao travel to Espanyol, while Villarreal will look to bounce back from successive humiliating defeats to Eibar and Osmanlispor when they host Real Betis in the 5.30pm kick-off. Watch NOW TV Watch Sky Sports for just £6.99. No contract. Saturdays action predominantly involves showdowns between the leagues strugglers, although Real Sociedad versus Atletico Madrid both hold lofty aspirations.Interestingly, Diego Simeones tactics seem to have switched depending on location with his side proving more expansive at home and back to their stringent selves on the road, conceding just twice in seven trips.The days opening two clashes are likely to have significant say on the relegation battle as four of the bottom six are involved, while Las Palmas and Eibar will look to continue to punch above their weight in the late kick-off, having defied modest expectations to sit 10th and eighth respectively. Also See: Get Sky Sports La Liga video Fixtures Table Cheap Ultra Boost For Sale . Cleveland has won the first two of this set and has won six straight games since losing back-to-back tilts to open the year. 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Federer faced little challenge from Bozoljac, who served well but still was no match for his Swiss opponent.DAYTONA BEACH, Fla. - Chip Ganassi bristles when his No. 02 team is called the star car.Truth is, the moniker couldnt be more appropriate right now.Ganassis all-star driver lineup of three-time IndyCar champion Scott Dixon, Daytona 500 winner Jamie McMurray, Indianapolis 500 winner Tony Kanaan and NASCARs reigning top rookie Kyle Larson won the prestigious Rolex 24 at Daytona on Sunday to give the team owner his record-setting sixth victory in 12 attempts.Ganassi made it clear he doesnt endorse the star car nickname, and he and team manager could pick their eight drivers names out of a hat to set the vaunted two-car lineup.I dont know who named it, but I dont approve of that name, he said. Thats like any other car on our team.It didnt look like any other, team, though as Dixon drove a gritty and lengthy final leg Sunday as his three teammates confidently believed hed pull out the win.Dixon relieved Larson with 3 hours, 32 minutes remaining in the twice-round-the-clock endurance race, and set out to conserve fuel, make no mistakes and follow the Ganassi strategy down to the checkered flag.The Iceman delivered, and made it look easy, too.He totalled more than seven hours behind the wheel of the Target/Ford EcoBoost Riley Prototype and carried the heaviest load on the team.We had such a good group of guys driving, an awesome team, McMurray said. Its about Scott Dixon to me. Its really hard to appreciate the talent that guys have from other series until you race with them, and its crazy the pace that Scott is able to have in the car. Its so much fun to sit up there and watch it.It was the second win for Dixon, who was part of the 2006 victory with Casey Mears and Dan Wheldon.After picking up his second watch, the New Zealander downplayed his role.The car was very consistent, and I think we had good speed, but everybody pulled their weight, he said. Everybody did what they needed to do, and thats what gets you through this 24 hours. Everybody kept the car in one piece.I cant emphasize how big of a team effort it is. Its not one person that ever wins this race. Its everybody involved, and this weekend everybody on the 02 team did their best job, and that was obviously enough to get the victory.It was the first Rolex win for McMurray, Kanaan and Larson, who felt he was so underwhelming in his debut last season that he let his team downn and never wanted to return to the sports car race.dddddddddddd Instead, he drove his own impressive three-plus hour stint in the middle of the night, then put together a brief but error-free run Sunday morning to get the team into the time window to turn the car over to Dixon.Its crazy how much a year can do. I hated this race last year. I was terrible, Larson said.McMurray joined AJ Foyt and Mario Andretti as the only drivers to win the Daytona 500 and the Rolex, while Kanaan joined a limited list of drivers to win both Indy and the 24 Hours.Its awesome, man. I love watches, Kanaan said. I always bought them, so Ive finally got one for free today.Ganassi beat defending race winner Action Express Racing, which was driven by Joao Barbosa, Christian Fittipaldi and Sebastien Bourdais, by 1.33 seconds.Wayne Taylor Racing, runner-up the last two years, lost a shot to challenge Dixon when it realized under a caution with 20 minutes remaining that Jordan Taylor had exceeded his allotted time allowed in the car. He was forced to pit from second to let older brother Ricky Taylor close out the final 9 minutes of the race.Its a bit disappointing, but we win and lose as a team, said Taylor.Ganassis other entry, the No. 01 led by five-time winner Scott Pruett, was in the mix for the victory until the clutch broke and the team was forced to retire with under two hours remaining.Corvette Racing won the GT Le Mans class with drivers Jan Magnussen, Antonio Garcia and Ryan Briscoe.PR1/Mathiasen Motorsports won the Prototype Challenge class with drivers Mike Guasch, Andrew Novich, Andrew Palmer and Tom Kimber-Smith. It appeared that CORE Autosport had that win locked up until Colin Brauns fiery crash with roughly 20 minutes remaining brought out the final caution and ended what seemed an easy victory.CORE Autosports owner Jon Bennett could only shrug.We did 23 hours and 46 minutes very successfully, he said. I think we had small contact with another car, which caused Colin to have a tire going down. We were trying to get back, we didnt a splash of gas, anyway. Thats how racing is, I love it.The GT Daytona class was won by Riley Motorsports and drivers Ben Keating, Dominik Fambacher, Al Carter, Kuno Wittmer and Cameron Lawrence. Keating, who is a Dodge Viper car dealer and driver for the SRT team, choked back tears after the win. ' ' '