SINGAPORE -- Madison Keys is the first American other than Serena and Venus Williams to earn a berth at the year-end WTA Finals in more than a decade.The last American outside of a Williams at the finals was Lindsay Davenport, a former coach to Keys, in 2005.Keys debut in the WTA Finals, starting on Sunday, came courtesy of her winning a second career title in Birmingham, England, and reaching finals at Rome and Montreal.She also played in the Olympic semifinals, losing to Petra Kvitova for the bronze medal.Being here is a huge accomplishment for me, Keys said. I definitely want to ... prove that Ive worked really hard to get here, and Im here for a reason.Keys, who climbed into the top-10 rankings at No. 7 this month, is also the first American to debut in the top 10 since Serena Williams in 1999.That [fact] was definitely really surprising, Keys said. There have been a lot of great American players who I thought had made it, but obviously not.Second-ranked Serena Williams pulled out of the finals for the second consecutive year. She won the title in 2014, the first year the event moved to Singapore. Williams hasnt played since a US Open semifinal loss to Karolina Pliskova, and cited a persistent right shoulder injury.Keys will face Simona Halep in her first of three round-robin matches on Sunday. They are in the Red Group along with world No. 1 Angelique Kerber and Dominika Cibulkova.The White Group consists of defending champion Agnieszka Radwanska, French Open champion Garbine Muguruza, US Open finalist Pliskova, and Svetlana Kuznetsova.Cheap Jerseys From China .C. -- Chris Thorburn thinks one of the reasons the Winnipeg Jets have been successful under new coach Paul Maurice is that theyre playing together as a team. 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Jerseys NFL Cheap . -- San Francisco 49ers linebacker Ahmad Brooks was fined $15,570 by the NFL on Wednesday for his hit on Saints quarterback Drew Brees last Sunday.Andy Murray has earned his place at the top of the world rankings after hard work and big decisions, says Annabel Croft.Murray became the worlds No 1 without having to play a shot following the withdrawal of Milos Raonic in the Paris Masters semi-final on Saturday afternoon.The 29-year-old is the first British singles player to hold top spot since computerised rankings began in 1973 and will play John Isner in Sundays final, live on Sky Sports 3, after the American beat Marin Cilic. It was a feat roundly praised by the Sky Sports commentary team. Peter Fleming called it an amazing turnaround from the Briton, while Croft said: Its a culmination of a fantastic season with sheer hard work and the commitment to bring out a high level of tennis every week.He made that change in his head last summer. He had back surgery [three years ago] which was a massive decision and people were asking have we seen the best of Andy? Andy Murray trained in front of the Paris crowd after they missed out on watching his semi-final He slipped down the rankings and my goodness has he come back with a vengeance. He may well go on to dominate through 2017.Its not probably the way he wanted to do it but it shows its a lot more about the year. Andy said the other day getting to be world No 1 was not about just one match.Its the level of consistency hes put out there for the year. Many congratulations to him. Its a shame we wont see that match but what a fabulous achievement and what a fabulous day for him.Novak Djokovic, who lost to Cilic in the French capital in Fridays quarter-final, had been No 1 for 122 weeks and completed his career Grand Slam when he conquered Murray in the French Open final in June. Live ATP Masters Tennis November 6, 2016, 2:00pm Live on Get Sky Sports Get a Sky Sports pass Murray has had a stunning run, making 11 finals in his last 12 tournaments, winning 73 matches in the year.ddddddddddddHe also becomes the first player other than Djokovic, Roger Federer or Rafael Nadal to lead the rankings since Andy Roddick in 2004.Fleming added: Since the summer hes been virtually unbeatable and he fully deserves this ranking. Its no good though if he just stops.There have been 20 players who have been no 1 and several have only been there for a couple of weeks. The challenge is to be the year-end No 1. To do that he probably needs to win in London at the World Finals. Novak Djokovic says Andy Murray deserves to become the world No 1 But he needs a different mindset now. Hes probably still in hunter-mode through to the O2 finals because he still needs to win that or do better than Novak to become No 1 at the end of the year which is a bigger deal.Its knowing you have to maintain that incredible level every week - but hes been doing that over the last seven months.Watch the Paris Masters final Murray v Isner, live on Sky Sports 3 on Sunday from 2pmAlso See:Murrays magnificent yearTennis on SkyMurray becomes world No 1Murrays finest achievement ' ' '