Jenson Button will be replaced by Stoffel Vandoorne at McLaren next year and take on a stand-by role that effectively marks his retirement from Formula One.The new deal leaves the door open for a return in 2018 should Fernando Alonso decide to retire at the end of his contract in 2017, but in reality is likely to mark the end of Buttons 17-year Formula One career. Vandoorne has been a part of McLarens young driver programme since 2013 and made his debut at this years Bahrain Grand Prix to substitute the injured Alonso for a single race.McLaren confirmed the news after qualifying at the Italian Grand Prix, putting an end to a year of speculation about Buttons future. Although it has been clear for some time that Vandoorne would replace Button at McLaren, Williams showed interest in the 2009 champion if a deal could be found at the right price. However, Button said he made his mind up over the summer break to take the McLaren offer, which will now see him focus on team and car development at the Woking-based team.Im delighted that Ill be staying on as a key member of the McLaren-Honda team, Button said. In fact Im massively excited about my new role, which has come about as a result of a number of in-depth chats with Ron. Specifically, Im looking forward to becoming even more deeply involved in the teams efforts to bring about the success weve all been striving to deliver.I love McLaren-Honda -- I firmly believe its made up of the best bunch of people Ive ever worked with -- and I have no intention of ever driving for another Formula 1 team.To be clear, Im very definitely not retiring. Im contracted for both 2017 and 2018, I intend to work hard on car-development, and Im sure Ill get behind the wheel of the new car at some point.McLaren boss Ron Dennis added: McLaren-Hondas race driver line-up next season will be Fernando and Stoffel -- a perfectly balanced mix of proven brilliance and immense potential.But, before I speak on the subject of either of them, I want to talk about Jenson. As a race driver for our team these past seven seasons, hes been superb, both on and off the track. And, as were seeing this season, he remains superb - not only fast and fit but also experienced and expert. Hell start his 298th Grand Prix tomorrow; as such, hes the most experienced driver on the grid.Having extended his contract to include 2017 and 2018, hell continue to be a senior, influential and committed member of the team, and will remain centrally involved in the development of our cars. Hell also be available to race for us if circumstances require it.On behalf of all at McLaren-Honda, I want to say how thrilled we are that Jenson has extended his contractual relationship with us. Moreover, Im absolutely certain that the depth of his experience and the currency of his expertise will give us an advantage over our opposition next season.Button came close to leaving McLaren at the end of 2014 when team boss Ron Dennis wanted to keep his teammate Kevin Magnussen on board, but Dennis was outvoted at board level by fellow shareholder Mansour Ojjeh and the Bahraini governments Mumtalakat investment fund. Rumours Button would be replaced by Vandoorne also followed him into the final rounds of the 2015 season, but again the British driver held on for another season to drive alongside Alonso this year.Assuming Button does not return to the grid in 2018, this years Abu Dhabi Grand Prix will mark Buttons 308th and last Formula One race. Since joining Williams at the age of 20, Button has driven for Benetton, Renault, BAR, Honda, Brawn and McLaren, scoring 15 race wins and 50 podiums to date. His championship victory in 2009 remains one of the sports fairytale stories after team boss Ross Brawn made an 11th hour deal with Honda to buy its team before going on to win both drivers and constructors titles.Air Max Shop Schweiz . Soukalova missed only one target and completed the 15-kilometre course in 40 minutes, 32.6 seconds for both victories in this seasons individual discipline. Darya Domracheva of Belarus was second, 34. Nike Air Max 270 Damen Schweiz . Vaives lawyer Trevor Whiffen claims the former 50-goal man wasnt provided with a copy of the claim beforehand and that he would not have agreed to the allegations made against the NHL had he been asked to review its contents. http://www.shopairmaxschweiz.com/vapormax-fake-kaufen.html . Once again, DeLaet finished tied for second at a PGA Tour stop on the weekend, this time at the Waste Management Phoenix Open. The pride of Weyburn, Sask. Air Max 1/97 Sean Wotherspoon Kaufen .com) - The Calgary Flames aim to bounce back from their first regulation home loss of the campaign on Friday night when they host a Detroit Red Wings club that they swept in three meetings a season ago. Nike Air Max 270 React Schweiz .Y. -- The Buffalo Sabres have placed centre Cody Hodgson on injured reserve and recalled two players from their AHL affiliate in Rochester.Novak Djokovic faces Dominic Thiem at The O2 on Sunday as he begins the defence of his World Tour Finals title and his pursuit to reclaim the world No 1 ranking.Djokovic saw his 122-week hold on top spot ended last weekend when he was usurped by Andy Murray as the worlds top ranked player. World No 1 permutations How the No 1 ranking can change hands...again Having previously admitted that his desire and love for the game had waned, it may be that this latest development adds fuel to the Djokovic fire as he looks to win a sixth World Tour Finals and end the season on top of the standings once again. The 29-year-old has won the season-ending event the last four years and is a two-time Grand Slam champion this year, winning the Australian and French Opens to take his career tally to 14 major titles. Djokovic has endured a frustrating second half of the season and has lost his world No 1 ranking to Andy Murray He also owns a dominant 23-0 record against his three rivals in the Lendl group and first to challenge that will be the youngest man at this weeks finals - Thiem. Ivan Lendl Group Novak Djokovic (Serbia) Milos Raonic (Canada) Gael Monfils (France) Dominic Thiem (Austria) World Tour Finals: Profiles We look back on the year so far for the eight contenders Thiem too has had his struggles over the second half of the year but claimed four titles over the course of the regular season The Austrian is making his debut at the event and after a sensational start to 2016, tailed off over the second half of the year.He has never won a set against Djokovic, losing all three meetings including their most high-profile encounter at the French Open semi-final earlier this year where Djokovic won 6-2 6-1 6-4.In recent weeks the 23-year-old has suffered surprise defeats to Jack Sock, Viktor Troicki and Alexander Zverev and has not gone beyond a quarter-final since the middle of September. Introduucing the underdogs What do we know about debutants Dominic Thiem and Gael Monfils However Thiem is not to be underestimated having claimed four titles this year, only Murray (eight) and Djokovic (seven) have won more although the last of those came back in June.dddddddddddd.Djokovic too has wobbled since his dominant first half of the year - he has been beaten by Marin Cilic and Roberto Bautista Agut since using the US Open final to Stan Wawrinka and he has won just one title since completing his career Grand Sam at Roland Garros and that came with victory at the Rogers Cup in Toronto in July.Whether Thiem can capitalise remains to be seen but the opening singles match of the tournament promises to be an intriguing one. World Tour Finals: The Groups We run through the contenders and their groups at The O2 As is the case for every session the doubles will kick off the action from 12pm on Sky Sports and the first match of the week will see Mike and Bob Bryan taking on Ivan Dodig and Marcelo Melo. Edberg/Jarryd Group Bob Bryan & Mike Bryan Ivan Dodig & Marcelo Melo Jamie Murray & Bruno Soares Treat Huey & Max Mirnyi Bob and Mike Bryan are five-time winners of the season-end doubles event The American brothers are seeded third this year and are four-time champions of the event but come into the tournament on the back of two years without a major title.They face sixth-seeded pair Dodig and Melo who have won the last two Masters events they have entered in Cincinnati and Canada.All the action from the O2 between November 13-20 will be live on Sky Sports across the week and if you are out and about you can follow on our Sky Sports apps and the website via our live blogs. Full schedule here. Live Tennis: ATP World Tour Finals November 13, 2016, 12:00pm Live on Get Sky Sports Get a Sky Sports passAlso See:The GroupsShots to watchTour Finals at The O2Panel Predictions ' ' '