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The number of cities bidding to host football matches in the 2016 Olympics has been increased from five to six to include Manaus - a venue England fans will remember from last year's World Cup.

The Amazonian capital joins Rio, Belo Horizonte, Brasilia, Sao Paulo and Salvador.

Fifa and the Brazilian Football Confederation will decide on which cities to use by March.

Sixteen men's teams and 12 women's teams will take part in the competition.

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Valtteri Bottas concedes Williams face "a big challenge" if they are to push Mercedes for this year's Formula One world championship.

The team finished third in the constructors' standings last season and want to consolidate this season.

"We are determined to do better," said the Finn. "But now the difficult part starts because to move up from third in the constructors' is not that simple.

"We know it's a big challenge, but we are definitely ready for it. As a team we improved so much last year, and now it's a new year we need to make sure we start at the same level we finished last season, and then build from that."

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Liverpool goalkeeper Simon Mignolet insists he does not feel the pressure which comes with the scrutiny of virtually each one of his performances, despite being dropped earlier in the season.

"Day in, day out you are in the spotlight but the main job is to focus on the football," he said.

"You are always going to be under pressure but it is our job and you get used to it.

"It is not really pressure, it is something you enjoy as everyone likes to play in front of a big crowd."

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Former Aston Villa manager Brian Little, who was the last man to lead the club to a major trophy, has been speaking to BBC Sport about the current situation at Villa Park.

"I'm not sure I would want to be the football manager at the club. I would love to help out in some capacity but I think at the moment the job is for someone who is very current and someone who is right in amongst it.

"Their main choice now is whether it's a short term appointment to make sure we stay up or is it a long term appointment."

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His name is one you don't easily forget when you look out for goalscorers and match-winners in the football league and now Northampton Town's John-Joe O'Toole is getting a day named after him.

This Saturday - more than 1,000 Cobblers fans will don wigs in honour of the 26-year-old midfielder for their League Two trip to Mansfield.

Added to that, the occasion has already gone viral via #JJOTDAY, external

Fan Dan Pearce had initially suggested the idea of John-Joe O'Toole Day to friends on Facebook and told BBC Sport: "We'd have still done it if there were six or seven of us. We'd have just looked like idiots."

Former Liverpool winger Sebastian Leto will undergo surgery in the next 48 hours after a freak gym accident.

The 28-year-old currently plays for Argentine side Lanus but signed for the Merseyside club in 2007 although he did not play a Premier League game due to passport issues.

He fractured his skull when he was struck on the head by a piece of exercise equipment and was placed in intensive care when the extent of his injuries were revealed.

A club statement read: "Yesterday, Sebastian Leto, during routine work in the gym, suffered an accident with head trauma, leaving a wound in his scalp. He was treated at the club, [however] an hour after consultation with the medical team he complained of a headache and was evaluated again."

Port Vale have signed teenage Crystal Palace defender Ryan Inniss on a one-month youth loan.

The 19-year-old, who has already had four previous loan spells in his short career, will be eligible to play in this weekend's League One Midlands derby at Walsall.

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West Ham striker Andy Carroll has had a scan on the knee injury he suffered during Wednesday's draw at Southampton.

The results are due on Friday and it is likely Hammers boss Sam Allardyce will give an update on his injury during his press conference, which is scheduled for 09:30 GMT.

Carroll left St Mary's Stadium on crutches after the 0-0 draw.

Exeter Chiefs head coach Rob Baxter says he wants his side to be a "regular" European Champions Cup team.

The 43-year-old has led Chiefs to the top level of European cup rugby in 2013-13 and 2013-14, but they failed to qualify this year after an eighth-placed Premiership finish

"We want to get back into the top-flight European competition. That's very important for us as a club going forwards," Baxter, whose side are currently fifth in the Premiership, told BBC Radio Devon.

"We're ambitious enough to want to be (in the Champions Cup) on a regular basis."

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The LTA have appointed three new members of staff, all who have achieved success in other sports to help bring through more players who can compete on the world stage, according to a report in the Telegraph, external

Steve McGregor, a sports scientist best known for refining the fitness regimes of two hugely successful golfers: Lee Westwood and Rory McIlroy has been appointed along with Peter Keen - who was the performance director of British cycling.

Australian Chelsea Warr, who previously ran the performance side of British swimming completes the trio.

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A statement issued by the FA said: "Both Chelsea and Everton have been charged by The FA for failing to ensure their players conducted themselves in an orderly fashion and/or refrained from provocative behaviour.

"It follows an incident in the 86th minute of Wednesday night's game at Stamford Bridge.

"Both clubs have until 6pm on 17 February 2015 to respond to the charge."

Chelsea defender Branislav Ivanovic will face no further action over the incident with Everton midfielder James McCarthy, during Wednesday's Premier League match at Stamford Bridge.

But Chelsea and Everton have both been charged with failing to control their players.

QPR midfielder Joey Barton:, external Good news also on Chris Ramsey. V good since he has come in. Got group back on track. Lots for us all to do now to keep club in the league.

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Manchester City captain Vincent Kompany insists the champions will never give up on the title despite trailing Chelsea by seven points at the top of the Premier League table.

"Belief never goes. Past experiences should give us enough confidence to carry on and go for it," said the Belgian after Wednesday's 4-1 win over Stoke City.

"It has happened before. The belief is always there, that is never the problem, even when form is not the best. But performances like this make us not need to talk so much. It makes it obvious we are a good team and that is what we need to show."

Pat Murphy
BBC Radio 5 live

"Paul Lambert learned of his sacking by phone yesterday afternoon and that's why he pointedly didn't refer in his statement to the man who made that call, Tom Fox, Villa's chief executive."

Earlier we asked for your suggestions of who has the biggest ego is sport, and there have been plenty coming in on #bbcsportsday, external

Ian Wilkinson:, external Mario Balotelli, when he was at Man City he called himself the best player in world

Jemmett Fox:, external Biggest ego in sport - a tie between Fernando Alonso and Nicklas Bendtner. Alonso can back it up though.

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Arsenal striker Alexis Sanchez is expected to be fit for Sunday's FA Cup tie against Middlesbrough despite suffering a bang to his knee during his side's win over Leicester on Tuesday.

But Aaron Ramsey is undergoing tests on a hamstring strain picked up in the same game and is set to miss the next two weeks at least.

Full-back Kevin Locke is a late addition to the Salford 19-man squad, taking the place of an ill Jay Walton, but remains 50-50 after missing the opening game with a groin injury.

Jordan Walne and Lama Tasi are vying to plug the gap created by the loss of second rower Weller Hauraki to suspension.

St Helens coach Keiron Cunningham sticks with the team that beat Catalans Dragons, with new skipper Jon Wilkin continuing at scrum-half in the absence of the injured Luke Walsh.

BBC Radio 5 live sports extra

From 19:30 GMT there is Super League action on 5 live sports extra with Salford hosting last year's Grand Final winners St Helens.

Commentary comes from Dave Woods and John Kear and there will also be chat from a host of Super League players and coaches.

Norway's Alexander Kristoff won his third stage in the Tour of Qatar, after claiming Thursday's fifth stage.

The Katusha rider, who also won stages two and four, triumphed in a sprint finish at the end of the 153km stage from Al Zubarah Fort to Madinat Al Shamal.

Dutch rider Niki Terpstra retains the overall lead, six seconds clear of Poland's Maciej Bodnar.

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