Lewis Hamilton insists anything is possible in what have been labelled his three FA Cup finals in the closing month of F1s title battle.The Mercedes driver has vowed not to throw in the towel even though Rosberg could secure the title this weekend in Mexico. Hamiltons win in last Sundays US GP means he heads to Mexico with a reduced title deficit to Nico Rosberg of 26 points, but the gap remains sufficient for his Mercedes team-mate to be able to finish second in every race and become champion. Rosberg will also be crowned champion if he wins on Sunday and Hamilton fails to finish in the points. When is the Mexican GP on Sky F1?But, buoyed by his first victory in three months in Austin, Hamilton insists he has retained a positive mentality amid the ups and downs of recent months. Watch NOW TV Watch Sky Sports for just £6.99. No contract. Recounting his fluctuating fortunes since the summer break, Hamilton said: Spa went well [from the back of the grid]. I had the best pace in the weekend of Monza and then I didnt get the start, which kind of decided that. Singapore obviously wasnt great, then Malaysia was great and then it wasnt great [when his engine blew].So Ive still continued to keep a positive frame of mind - Ive got to. There are still points available, anything is possible. The moment you give up thats the moment youre doomed. Ive never given up in my life and I dont plan on doing so. Sky F1’s Martin Brundle sits down with Lewis Hamilton to discuss his ongoing battles with Nico Rosberg for the championship Hamiltons challenges in Mexico, Brazil and Abu Dhabi have been likened to three successive finals by Red Bull boss Christian Horner.Its simple for him - its like three FA Cup finals, said Horner. Hes just got to win all three races and then what happens with the other car he cant control.Although Hamilton has clinched two of his three world titles in final-race showdowns, the 31-year-old has not triumphed before when he has been behind in the standings at this stage of the season.Mercedes still wary of Hamilton-Rosberg volcanoIn 2014, Rosberg led the title race for much of the year, but Hamilton moved ahead with five races to go and never relinquished the points lead.Since F1s scoring system was changed six years ago, Sebastian Vettel in 2010 is the only driver to overturn a points deficit (14 points) with three rounds to go and win the title. The previous occasion came in 2007 when Ferraris Kimi Raikkonen came from 13 points back - the equivalent of 37 points today - to deny Hamilton, then at McLaren, the title in his debut year. Despite winning in Texas, Lewis Hamilton showed his concerns over reliability issues. Martin Brundle thinks hes trying to send a message to his Mercedes team Hamilton is not banking on history repeating itself in his favour this time, but is aware F1s past shows shows why he has to keep pushing.Honestly, I dont try to compare it to other times, but history has shown lots of ups and downs and changes, he said. There have been times where its been dead certain already, and there have been times where it has flipped.So thats exactly why Ive just got to keep my head down and try to do the job I have done this weekend [in Austin], which I seriously believe I can do. I cant control whats going to happen behind to this point, its already been set what has happened in the past.All I can do is make sure that when I leave this season I know I did everything with a full heart.Can Lewis Hamilton keep his title dreams alive? Watch the Mexican GP on Sky Sports F1 on Sunday, the race begins at 7pm; Watch the whole race weekend with a NOW TV week pass - £10.99, no contractAlso See:Brundle: Lewis masters the zoneMercedes wary of late flare-upSky F1s Mexican GP scheduleLatest championship standingsShoes NZ Outlet . -- Ryan Blaney provided more evidence that Penske Racings No. Cheap Shoes NZ . There was no hesitation from the 40th-ranked Pospisil, from Vernon, B.C., who admitted that he cut back on his training sessions over the last few days to conserve energy as the long ATP season finishes next week at the Paris Masters. https://www.shoesnzonline.com/ . Klitschkos management company says the bout will be the Ukrainian fighters 25th world championship fight. The 1.83-meter (6-foot) Leapai defeated the previously unbeaten Denis Boytsov in November to become the WBOs mandatory challenger. Shoes NZ From China .Y. -- Jayna Hefford scored the winning goal Friday as Canada survived a scare with a 4-3 win over Sweden at the Four Nations womens hockey tournament. Shoes NZ Sale . -- The St. Johns IceCaps weathered a wild first period with the help of goaltender Jussi Olkinuora, before finding offensive inroads in the second.The family of dirt-track racer Bryan Clauson says his organs have been donated to five other people.Clauson died after a crash in a Kansas race last weekend.In a statement posted on the Twitter account of Bryan Clauson Racing on Wednesday, Clausons family members say they knew as they were saying their last goodbyes that five families were also sitting in a hospital room somewhere, comforting their loved one and each other while praying ffor a miracle that Bryan ultimately delivered for them.ddddddddddddThey say he will live on in part through the lucky individuals that will benefit from Bryan making a decision to be a donor.Clauson died in a Nebraska hospital Sunday following Saturday nights crash at the Belleville Midget Nationals in Kansas. ' ' '