Jessica Ennis-Hill has announced her retirement from athletics.The 30-year-old won Olympic gold in the heptathlon at London 2012 and silver at Rio 2016, and is a two-time world champion.Ennis-Hill released a statement on her Instagram account saying it was one of the toughest decisions she has faced but retiring now is right.She wrote on Instagram: Amazing memories ... from my first world title in Berlin 2009 to Rio 2016 Im so fortunate to have had such an amazing career within the sport I love and this has been one of the toughest decisions Ive had to make.But I know that retiring now is right. Ive always said I want to leave my sport on a high and have no regrets and I can truly say that.I want to thank my family and incredible team who have spent so much of their time supporting me and enabling me to achieve my dreams. Also a huge thank you to all those people who have supported and followed my career over the years.Ennis-Hill won heptathlon gold in 2012, to emulate Denise Lewis win at the Sydney Olympics, after she claimed victory on Super Saturday, which also saw Mo Farah win the 10,000 metres and Greg Rutherford take the long jump crown inside the Olympic Stadium.She won by 306 points ahead of Germanys Lilli Schwarzkopf with a total of 6,955 but was unable to defend her title this summer when she finished runner-up to Belgiums Nafissatou Thiam by just 35 points.Sheffield-born Ennis-Hill had taken time out between the Games to have son Reggie, missing the 2014 Commonwealth Games, and did hint about retirement immediately after winning silver in Brazil.She returned after the birth of her son in July 2014 to win the World Athletics Championships in Beijing last year having already achieved the qualifying standard for Rio.It was her second world heptathlon title after winning in Berlin in 2009 while she also claimed silver two years later.Ennis-Hills senior breakthrough came in 2006 when she won bronze at her only Commonwealth Games -- finishing behind winner and teammate Kelly Sotherton -- while she also won gold at the 2010 European Championships and the World Indoor Pentathlon title the same year.The victories were part of her dominance of the sport between 2009 and 2012 ahead of glory at London 2012.She won the 100 metres hurdles before coming sixth in high jump and 10th in shot put. A personal best of 22.83 seconds saw her second in the 200 metres and Ennis-Hill was also second in the long jump before throwing 47.49 metres, a personal best, in the javelin to finish 10th and put her on the brink of the title.She completed victory with a seasons best of two minutes and eight seconds in the 800metres to win the race and the Olympic crown.British Athletics performance director Neil Black heralded Ennis-Hill as a phenomenal talent.Black said: I know it will have been incredibly difficult for Jess, but I am pleased for her that she has been able to make the decision and can now look forward to a much deserved retirement.The entire performance team of coaches, athletes and support staff will miss her at events. Not only has she competed at the highest level, but she has been a warm and positive presence within the GB team and a great example to the younger team members.Her record as an athlete is phenomenal and thats without considering the challenges of returning from pregnancy to win world gold and Olympic silver. Id like to thank her not only for her contribution to the GB team over the years, but additionally for being a great person to work with, know and support.Custom Twins Jersey China .B. -- The Baie-Comeau Drakkar took over sole possession of first place atop the Quebec Major Junior Hockey League on Thursday with their sixth straight win. Custom Kirby Puckett Jersey . Anthony Davis had 31 points and 17 rebounds in his seventh straight game with more than 20 points, but that was only enough to keep the Pelicans competitive into the final minutes. 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On Saturday, it was fitting that Manchester Uniteds most recent dagger into the chest was delivered by Frenchman Yohan Cabaye, a wonderfully gifted central midfielder who put on an outstanding effort for Newcastle at Old Trafford.STILLWATER, Okla. -- The officiating mistake was a doozy -- and it cannot be fixed. The play that followed was even more astonishing.One of the oddest endings imaginable left Oklahoma State stunned and Central Michigan celebrating.A misinterpreted rule extended the game when it should have been over and allowed the Chippewas to score a wild, winning touchdown on a Hail Mary and lateral -- yes, both! -- that covered half the field for a 30-27 upset of No. 22 Oklahoma State on Saturday.Oklahoma State (1-1) tried to kill the final 4 seconds of the game by throwing the ball away on fourth down, but the Cowboys were penalized for intentional grounding, which is a loss of down penalty. Rules state that the game cannot end on an accepted live-ball penalty, referee Tim ODey of the Mid-American Conference, CMUs league, said.He later admitted there is a situation where the game can end on an infraction.Theres an exception to the rule that says if enforcement of the foul involves a loss of down, then that brings the game to an end, ODey told a pool reporter.ODey said after conferring with NCAA rules committee secretary Rogers Redding after the game, the crew determined the extension should not have happened.But the final result stood. Article 3b of the NCAA rulebook states: When the referee declares that the game is ended, the score is final.Despite the error, this will not change the outcome of the contest, Bill Carollo, the NCAAs coordinator of football officials, said in a statement released by the MAC.That did not satisfy Oklahoma State athletic director Mike Holder.We had conversations with everyone that could help us understand the situation and do something about the outcome. We were told the result is final and there is nothing we can do about it, Holder said in a statement. In my mind, it is incomprehensible that a misapplication of the rules after time has expired cant be corrected.Big 12 Commissioner Bob Bowlsby said in a text to the AP: The game is final and errors can only be corrected during the course of the game. Very unfortunate.Corey Willis scored the winning touchdown after grabbing a lateral from Jesse Kroll at the Oklahoma State 12 and fighting his sway into the end zone.Oklahoma State (1-1) thought it had won when Mason Rudolph threw the ball away on fourth down as the clock expired, instead of just taking a knee and risking giving the ball back to Central Michigan (2-0). But it backfired after the officials conferred, they assessed an intentional grounding penalty and gave Central Michigan another play.Thats a tough one. Just so everyone knows, I was the one who callled the passing play, said OSU coach Mike Gundy.dddddddddddd To be honest with you, I never even thought of intentional grounding being called at that point in the game. As much time as we put into end of game situations that never really crossed my mind. Unfortunately, thats a difficult way to learn a hard lesson.Cooper Rush lofted up a Hail Mary pass that hit Kroll just inside the 10. As Kroll was being taken down, he pitched it back to Willis at about the 12, who cut across the field and barely managed to score while being dragged down.To be honest, I actually had a missed assignment on that, I wasnt supposed to be right there, but it all worked for the better, said Willis.Coach John Bonamego said: Its an improbable finish, but its a situation that we practiced and rehearsed. We were able to execute and pull out the win.Central Michigan fans might have been having flashbacks to the Bahamas Bowl from two seasons ago, when the Chips covered almost the length of the field on a long pass and lateral play to make it a one-point game with no time left against Western Kentucky. In that fabulous finish, Central Michigan went for 2 and the win and did not convert. This time around, the Chippewas were able run off with the victory.SYMPATHY FROM THE DEVILSOklahoma State fans were livid, and they can now relate to Duke fans who watched their team lose a game on a multilateral kickoff return touchdown to Miami last season that the Atlantic Coast Conference later said should not have counted. Or maybe go back to 1990, when officials mistakenly gave Colorado five downs to score the game-winning touchdown against Missouri in the waning seconds.Central Michigan is unlikely to go on to win a national title the way those Buffaloes did, but it will still go down as one of the biggest wins in school history.THE TAKEAWAYCentral Michigan: Never quit on the Chippewas.Oklahoma State: The Cowboys will rightfully be upset by the bad call, but Gundy will be questioned for throwing on his final play.POLL IMPLICATIONSOklahoma State: How do AP voters deal with this? The Cowboys rightfully had the game won. They also allowed CMU to play them toe-to-toe at home when Oklahoma State was a big favorite. So maybe the Cowboys dont drop for the loss as much as for the underwhelming performance?Central Michigan: This is no way to get ranked.UP NEXTCentral Michigan: The Chippewas return home to face UNLV.Oklahoma State: The Cowboys play their third straight home game, hosting Pittsburgh. ' ' '