UFC featherweight champion Conor McGregor has been pulled from his headline bout against Nate Diaz at UFC 200 on July 9.UFC president Dana White announced the news on ESPN on Tuesday, citing the Irishmans unwillingness to come to Las Vegas later this week to promote the landmark event for the company.We pulled Conor McGregor from UFC 200 and were working on other fights right now, White said. Conor did not want to come to Las Vegas and film the commercial and be a part of the marketing. Hes in Iceland training. Conor McGregor and Nate Diaz were scheduled to headline UFC 200 The news came hours after the 27-year-old stunned the world of mixed martial arts by tweeting: I have decided to retire young. Thanks for the cheese. Catch yas later.White admitted he is uncertain of McGregors future plans but maintained the UFC still has a good relationship with the sports biggest star.Is Conor retiring? Only he can answer that question. I dont know. Why did McGregor retire? We chart Conor McGregors story over the years to hunt for clues that explain his UFC 200 exit McGregors apparent decision to retire would be truly stunning for the world of MMA.At just 27, he is entering his prime and was already on track to become the transcendent star who could elevate the sport to new heights.His last fight - a second-round submission loss to Diaz - was a huge commercial success and the rematch was expected to generate massive pay-per-view figures.Also at UFC 200, former featherweight champion Jose Aldo is scheduled to face perennial contender Frankie Edgar for an interim featherweight title, with the winner moving on to fight McGregor later in the year. Conor McGregor was crowned UFC featherweight champion in December 2015 A win by New Jersey native Edgar would likely have set McGregor up to headline another landmark card for the UFC, with the pair obvious candidates to top the bill at the first-ever MMA event in New Yorks Madison Square Garden on November 12. That now appears unlikely.Whether McGregor has truly retired remains to be seen. He is currently in Iceland helping his Straight Blast Gym team-mate Gunnar Nelson prepare for his upcoming fight against Albert Tumanov at UFC Rotterdam on May 8.No official confirmation of his retirement has been forthcoming since his tweet on Tuesday but his long-time coach John Kavanagh did take to Twitter and appeared to confirm the news.Kavanagh cryptically tweeted: Well was fun while it lasted. Joao Carvalho tragically died last week McGregors apparent retirement comes just over a week after the tragic death of Joao Carvalho following a fight in Ireland at which the UFC champion was sitting cageside.Portuguese fighter Carvalho died two days after suffering a third-round technical knockout loss to McGregors SBG team-mate Charlie Ward. What next for McGregor? Reflections on Conors McGregors defeat to Diaz what the future holds On Facebook, McGregor described the incident as truly heartbreaking and a truly bitter pill to swallow.He said: Nobody involved in combat sports of any kind wants to see this. It is such a rare occurrence that I dont know how to take this.I was ringside supporting my team-mate, and the fight was so back and forth, that I just cant understand it.With the recent incident in boxing and now this in MMA, it is a sad time to be a fighter and a fight fan. Sky Bets UFC Specials Will McGregor fight again? Hes 7/2 to do so this year with Sky Bet! Click here to bet.Nike React Element 87 Nederland . Shot outdoors against the stunning backdrop of Banff, Alta., the networks 30-minute original production airs tonight at 8pm et/5pm pt on TSN2. The four All-Star teams will play for $100,000 in prize money during TSNs annual skins game, airing live this weekend on TSN from The Fenlands Banff Recreation Centre. Nike Just Do It Schoenen Oranje . The International Olympic Committee released the official list of bid cities on Friday after the deadline for applications had passed. The candidates -- all previously announced in their own countries -- are: Almaty, Kazakhstan; Beijing; Krakow, Poland; Lviv, Ukraine; Oslo, Norway; and Stockholm. http://www.vapormaxsalenederland.com/ . -- Golden State Warriors coach Mark Jackson asked his players a simple question during Fridays morning shootaround: How many of them had ever been on a team 14 games over . Nike Air Vapormax Flyknit 2 Kopen . -- Bobby Ryan helped the U. Vapormax 97 Kopen . -- Ty Montgomery had 290 all-purpose yards and two touchdowns, and fifth-ranked Stanford held on to beat No.Sale Sharks new recruit Denny Solomona starts on the wing for their Champions Cup clash against Saracens on Sunday.?Solomonas signing from rugby league side Castleford Tigers was announced earlier this week with his former side now looking into the possibility of legal action over the deal.?But Sale have wasted no time in throwing Solomona into action and he starts on the right wing with fellow rugby league convert Josh Charnley on the left flank as the Sharks look to make amends for their heavy defeat to Sarries last weekend.Saracens showed whatt a great team they have when they beat us last weekend but we didnt play well and you cant afford one yellow card let alone three if you are going to challenge them, Sale boss Steve Diamond said.dddddddddddd Its been a tough week on the training field this week.We have some big games coming up, starting with Saracens. The lads are hurting at the moment and wanting to get back to the way we all know they can perform. ' ' '