Diego Mejía

Sergio Perez believes Sebastian Vettel is more likely to retire from Formula 1 than join another team following his exit from Ferrari

Twenty years ago this week, rising star Gonzalo Rodriguez lost his life at Laguna Seca just as he was on the cusp of a career breakthrough having secured a top Indycar drive. His friend and rival Juan Pablo Montoya remembers him

Sebastian Vettel's troubles this year are more likely to be a "technical" problem than an issue with the four-time Formula 1 world champion's mentality, reckons Juan Pablo Montoya

Former Ferrari president Luca di Montezemolo says newest Formula 1 race winner Charles Leclerc's attitude reminds him of the late Niki Lauda

Ferrari Formula 1 team principal Mattia Binotto says his team must sort its internal approach to reliability after its drivers suffered a nightmare qualifying session for the German Grand Prix

Red Bull Formula 1 team boss Christian Horner says Max Verstappen was "really reserved" in his pursuit of Monaco Grand Prix winner Lewis Hamilton, but also "fought like a lion"

That infamous deliberate crash sunk Nelson Piquet Jr's Formula 1 career, but now he is loving life in NASCAR - and winning. Diego Mejia caught up with him

As the 2012 NASCAR season progressed, Brad Keselowski began to look like an increasingly stronger contender for the Sprint Cup title and, by the end, the Penske had secured his first crown. Diego Mejia reviews the year

Following Brad Keselowski's first NASCAR Sprint Cup title in 2012, Diego Mejia looks at the highlights of the Penske driver's season

Joey Logano expects to learn a huge amount from his new team-mate Brad Keselowski after his first test alongside the 2012 NASCAR Sprint Cup champion

NASCAR officials will continue to tweak the new 2013 Sprint Cup series car following a two-day test with a number of outfits at Charlotte Motor Speedway

Brad Keselowski believes Penske's switch to Ford will provide a much-needed boost to motivation levels following his 2012 NASCAR Sprint Cup title success

Matt Kenseth completed his first day of testing for Joe Gibbs Racing at Charlotte Motor Speedway as a number of teams ran with their 2013 cars on Tuesday

Roger Penske believes Brad Keselowski's leadership qualities were pivotal in his team's first NASCAR Sprint Cup title success

Brad Keselowski believes delivering Penske Racing's maiden NASCAR Sprint Cup title makes his championship even more special

Brad Keselowski became the first Penske driver to clinch a NASCAR Sprint Cup title with 15th at Homestead, as Jimmie Johnson retired with a transmission problem and Jeff Gordon took the final win of 2012

The NASCAR Sprint Cup will be won by either Brad Keselowski or Jimmie Johnson at Fontana on Sunday night. Diego Mejia assesses both drivers' chances.

Championship leader Brad Keselowski will move to the front row of the grid for Sunday's NASCAR Sprint Cup finale following a crash in practice involving polesitter Joey Logano

Jeff Gordon's team boss Rick Hendrick has defended his driver's retaliatory crash with Clint Bowyer at Phoenix last weekend, saying Bowyer had got away with denying his squad its 200th NASCAR Sprint Cup win at Martinsville earlier this year

Brad Keselowski believes he has a mental edge over title rival Jimmie Johnson after outqualifying him for the final round of the NASCAR Sprint Cup at Homestead

Jimmie Johnson is still confident of overhauling Brad Keselowski in the Chase for the NASCAR Sprint Cup, despite qualifying seven spots behind his rival for the Homestead season finale

Joey Logano claimed pole position at Homestead in his final NASCAR Sprint Cup race for Joe Gibbs Racing, while points leader Brad Keselowski qualified third, seven places ahead of title rival Jimmie Johnson

Brad Keselowski remains cautious about his prospects of winning his maiden Sprint Cup title next weekend despite a healthy 20-point lead to Jimmie Johnson in the championship

Jimmie Johnson has conceded his chances of winning a sixth NASCAR Sprint Cup Series title are slim after losing the Chase lead following a crash on Sunday at Phoenix

Jeff Gordon has been fined, docked points and placed on probation following his retaliatory clash with Clint Bowyer in Sunday's NASCAR Sprint Cup race at Phoenix

Kevin Harvick and Richard Childress have all but confirmed they will not continue to work together beyond 2013, following reports of Harvick's departure to Stewart-Haas Racing for 2014

Team owner Michael Waltrip was heavily critical of Jeff Gordon after the clash between the four-time champion and rival Clint Bowyer on Sunday at Phoenix

Jeff Gordon has refused to apologise for deliberately taking Clint Bowyer out of last Sunday's NASCAR Sprint Cup race at Phoenix

Kevin Harvick fended off Kyle Busch to claim Richard Childress Racing's first win of the NASCAR Sprint Cup season, while Brad Keselowski moved into the Chase lead after Jimmie Johnson hit the wall in an eventful afternoon at Phoenix

Kyle Busch claimed pole position for Sunday's penultimate NASCAR Sprint Cup Chase round at Phoenix while championship leader Jimmie Johnson struggled

Kevin Harvick and Tony Stewart have remained tight-lipped over a report that Harvick will join the reigning NASCAR Sprint Cup champion's Stewart-Haas team from 2014

Jimmie Johnson is confident NASCAR Sprint Cup title rival Brad Keselowski will race him fairly in the remaining two races of the Chase following their hard battle for victory last week at Texas

Jimmie Johnson overtook title rival Brad Keselowski in a green-white-chequered finish to claim his fifth win of the NASCAR Sprint Cup season on Sunday at Texas Motor Speedway

Jimmie Johnson kept his momentum running from last week's Martinsville win to claim pole position for Sunday's NASCAR Sprint Cup Chase race at Texas

Brad Keselowski is glad to have come out 'alive' in the championship from Sunday's Chase round at Martinsville, despite losing the points lead to Jimmie Johnson

Denny Hamlin admits he will have to wait another year in order to fight for his maiden Sprint Cup title after electrical issues hampered his progress in an eventful race at Martinsville

Jimmie Johnson jumped back up to the lead of the Chase for the NASCAR Sprint Cup with his fourth win of the season and his seventh at Martinsville Speedway

Dale Earnhardt Jr claims he will take a different approach next time he has health worries after an accident, following the concussion diagnosis that forced him to sit out two NASCAR Sprint Cup Series Chase events

NASCAR Sprint Cup Chase leader Brad Keselowski is sure he will be able to recover from his worst qualifying of the season during Sunday's race at Martinsville, which he will start from 32nd on the grid

Mark Martin, Brian Vickers and Michael Waltrip will continue to share Michael Waltrip Racing's #55 Toyota in the 2013 NASCAR Sprint Cup

Jimmie Johnson claimed his third NASCAR Sprint Cup pole position of the season in qualifying for Sunday's round seven of the Chase at Martinsville Speedway

Regan Smith's performances in the past two NASCAR Sprint Cup races have earned him a full-time drive with Dale Earnhardt Jr's Nationwide Series squad for 2013

Dale Earnhardt Jr has been cleared to return to NASCAR Sprint Cup competition this weekend at Martinsville Speedway after his injury lay-off

Tony Stewart insists he still has faith in Danica Patrick's ability to deliver in NASCAR despite her tough first full season in stock cars

Dale Earnhardt Jr's team is confident he will be given the green light to return to competitive NASCAR Sprint Cup action once he has completed a test run this Monday

Matt Kenseth claimed his third NASCAR Sprint Cup victory of the season in Sunday's Chase round at Kansas, despite early contact with the wall

Kasey Kahne claimed his fourth pole position of the NASCAR Sprint Cup season with a record-setting lap in qualifying for Sunday's Chase round at the newly repaved Kansas Speedway

Marcos Ambrose says he is close to a new deal with Richard Petty Motorsports that would see him remain in place for a third consecutive season with the outfit

Richard Petty Motorsports will continue its relationship with Ford in 2013, the NASCAR outfit announced on Friday

Dale Earnhardt Jr plans to return behind the wheel next week testing a car before he is cleared to get back to competition a few days later at Martinsville Speedway

NASCAR has dropped the qualifying rule which guaranteed starting spots for the top 35 drivers in the owners' points as part of wider competition changes for 2013

Clint Bowyer claimed his third NASCAR Sprint Cup victory of the season in a fuel-mileage finish on Saturday night at Charlotte

Regan Smith hopes to make the most of his chance to drive for Hendrick Motorsports while Dale Earnhardt Jr recovers from injury

Dale Earnhardt Jr has revealed his Talladega accident caused a second concussion, as he had already been injured in a testing incident at Kansas almost six weeks ago

Greg Biffle claimed his third pole position of the season in qualifying for Saturday night's fifth NASCAR Sprint Cup Chase round at Charlotte

AJ Allmendinger will make his NASCAR Sprint Cup comeback after his drugs test suspension at Charlotte this weekend, having secured the Phoenix Racing seat

Matt Kenseth claimed his second NASCAR Sprint Cup win of the season by driving through the carnage of a last-lap pile-up at Talladega

Roush Fenway drivers Greg Biffle and Matt Kenseth believe it will be difficult to get back in NASCAR Sprint Cup title contention as they sit at the bottom of the Chase points standings ahead of Sunday's race at Talladega

Kasey Kahne claimed his third pole position of the season in qualifying for Sunday's NASCAR Sprint Cup Chase round at Talladega

Clint Bowyer is convinced this weekend's Chase event at Talladega could decide the destination of the 2012 NASCAR Sprint Cup title