HOUSTON -- Houston coach Gary Kubiak collapsed leaving the field at halftime of the Texans game Sunday night against Indianapolis and was taken by ambulance to a hospital. Kubiak hunched over and dropped to his knees at the 24 yard line and was immediately surrounded by medical personnel. He was lifted off the field on a stretcher and taken by cart to the ambulance. The Texans didnt say what was wrong with Kubiak, but did say he didnt have a heart attack. The team said the 52-year-old coach, a former NFL quarterback who calls the teams plays, was conscious and was with his family as he was taken to the hospital. "He had an episode; he was light-headed and dizzy," Houston general manager Rick Smith said in an interview on NBC. "He was evaluated by a number of specialists ... he is awake and coherent." Defensive co-ordinator Wade Phillips took over as coach. Up 21-3 when Kubiak collapsed, the Texans unraveled in the second half, falling 27-24 for their sixth straight loss after opening the season 2-0 with Super Bowl hopes. "We have to assess ... obviously, theres a lot of info," Smith said. "Hopefully, Gary will be back with us tomorrow." Kubiaks collapse came a day after Denver Broncos coach John Fox was hospitalized in North Carolina as he awaits aortic value replacement surgery. The 58-year-old Fox will have surgery in a few days and will miss several weeks while recuperating. Fox had been told earlier about his heart condition and was hoping to put off the operation until February. As part of his trip to North Carolina on a bye week, he met with his cardiologist in Raleigh and was told to seek medical attention immediately if he felt any discomfort. On Saturday, Fox became dizzy playing golf near his off-season home in Charlotte and was taken to a hospital, where tests revealed he couldnt wait any longer to have the surgery. In college, Minnesota coach Jerry Kill took a leave of absence last month so he could better manage and treat his epilepsy. He has had five seizures on game day in his two-plus seasons with the Golden Gophers. Kubiak has long been known as a top offensive coach, mentoring quarterbacks in Denver under Mike Shanahan and now Matt Schaub -- and Case Keenum -- in Houston. Kubiak has had no known public health problems. Kubiak was hired in 2006, along with general manager Rick Smith, after the Texans finished a franchise-worst 2-14. Smith spent 10 years with Kubiak while the coach was offensive co-ordinator of the Broncos. Smith was Denvers defensive assistant for four seasons before moving into the front office for his last six years with the Broncos. The pair has helped transform the Texans, which began play in 2002, from league laughingstock to contender. The team went 6-10 in their first year and 8-8 in each of the next two seasons. Expectations were high in 2010 after Houston finished at 9-7 for its first winning record in 2009. But the Texans instead fell to 6-10, which led to many fans calling for Kubiaks firing. His original contract was due to expire after the 2010 season, but owner Bob McNair has stepped up to keep Kubiak and defended him several times amid the bumps. Among recent departures were assistant head coach Alex Gibbs (for Seattle) and offensive co-ordinator Kyle Shanahan went to join his father, Mike, in Washington. Kubiak hired former Denver offensive co-ordinator Rick Dennison to replace Shanahan and former Atlanta offensive co-ordinator Greg Knapp to become Houstons quarterbacks coach. Dennison worked on the Broncos staff during Kubiaks 11 years as Denvers offensive co-ordinator, and Knapp coached Schaub for three seasons with the Falcons. The highest-profile assistant brought to Houston was Phillips, the veteran son of the late Bum Phillips and a former head coach in Denver, Buffalo and Dallas. Last year, the Texans announced contract extensions for both Smith and Kubiak, rewarding them for taking the team to the playoffs last year for the first time. Kubiaks three-year agreement has him under contract through 2014. McNair said at the time he offered Kubiak a four-year deal, but the coach preferred to make it for three. Kubiak made his mark as Denvers offensive co-ordinator under Shanahan, winning two Super Bowls. An eighth-round pick out of Texas A&M, he spent nine years as John Elways backup. He finished his career 4-1 as a starter, all in emergency relief of Elway. Jaromir Jagr Jersey . 2015 Oscar nomination pending. Here is an open letter from Steven Stamkos to his fans: When I shot this final Moment Zero film last August, it was a fun few days on set with Coke Zero and Jordan Eberle in my hometown of Markham. 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They claim only three are delayed, with the other three being handed over after the expected date only because of problems accommodating the schedule of Brazilian President Dilma Rousseff, who wants to be present for the ceremonies.Tottenhams Danny Rose has apologised for his role in a turbulent London derby against Chelsea at Stamford Bridge on Monday. Frustrations boiled over during the match in which Tottenhams title challenge was ended after they surrendered a two-goal lead to draw 2-2.Referee Mark Clattenburg produced 12 yellow cards, and there were two mass brawls involving players and coaches from both sides. Ref watch: Battle of the Bridge Dermot Gallagher analyses a feisty London derby Tottenham and Chelsea may yet face retrospective action from the Football Association, with Mousa Dembele particularly likely to receive a rebuke after he appeared to claw his fingers down Diego Costas face during a skirmish at the end of the first half.There were several other incidents of petulance during the game and matters came to a head again at the full-time whistle when a melee in the tunnel resulted in Chelseas interim manager Guus Hiddink being pushed to the ground. Guus Hiddink was knocked over during a scuffle following Chelseas 2-2 draw with Tottenham Rose, who was booked after he sparked the first brawl as a result of clashing with Willian, was contrite over his role in proceedings, especially with youngsters watching the match on television.It is not nice to see for kids here or kids watching on TV. I apologise if it looked bad on TV, Rose said.It is a London derby. It is to be expected. We wanted to win and they wanted to stop us having any more say in the title race. Rose is tripped by Branislav Ivanovic of Chelsea There are no bad words to say about Chelsea.dddddddddddd These are the games you want to be part of. It was a great game.Erik Lamela also appeared to tread deliberately on Cesc Fabregas hand, and Eric Dier was lucky not to be dismissed for a reckless challenge, while Costa was also fortunate not to receive punishment after leaning his head into Jan Vertonghens face. Erik Lamela and Cesc Fabregas were involved in several confrontations The ill-feeling continued after the game as another scrum at the entrance to the tunnel saw Hiddink fall to the ground while the likes of Rose, Costa and Vertonghen grappled with each other.I couldnt tell you what happened, it was just handbags being thrown, Rose said. Sky Sports pundit Jamie Carragher believes Mousa Dembele will not play again this season after eye gouging Diego Costa I saw the Chelsea manager fall on the floor. I hope he is alright. People were saying from the bench that he conducted himself like a true gentleman throughout the whole game.He did not want any trouble to be started. Also See: Ref watch: Battle of the Bridge Stormy Bridge set for probe Chelsea end Spurs dreams How can Spurs improve? 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