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By Ben Dirs BBC Sport Lamont Peterson says Amir Khan is incapable of altering his game-plan for their May rematch  and that his British rival is mentally "all over the place". American Peterson beat Khan on a split decision last December,  after which Khan claimed he had been robbed of his WBA and IBF light-welterweight belts. And Peterson added that Khan's pronouncements had only succeeded in piling extra pressure on himself. "He'll do what he always does, he always fights the same," said...

Former British and Commonwealth heavyweight champion Tyson Fury maintained his unbeaten record as he stopped veteran Martin Rogan in five rounds in Saturday's bout in Belfast. Fury, 23, made a tentative start as Rogan produced the better work in the first two rounds at the Odyssey Arena. However, Fury put Rogan on the canvas with a left hook in the third round. Fury controlled the rest of the bout and the end came after a body shot put the 40-year-old down again. Rogan did get up after the...

Heavyweight Warren Baister moved a step closer to Olympic qualification with a thrilling win over France's Abdoulaye Diane in the final qualifying tournament in Trabzon, Turkey. The Sunderland boxer must win his 91kg category to make the Games and his 18-17 victory put him into the last eight. Liverpool light-heavyweight Callum Smith claimed a second-round win, beating Montenegro's Bosko Draskovic. Meanwhile, middleweight Anthony Ogogo defeated Macedonia's Fatlum Zuta 18-5. Ogogo, free from the...

George Groves has pulled out of his WBO world title fight against Robert Stieglitz on 5 May because of injury. The British and Commonwealth super-middleweight champion was injured while training in Northern Cyprus. "I am truly sorry to everyone who will be affected by this," said Groves, 24. "This is the toughest decision I've ever had to make and I am gutted, but nothing worth having is given away. It's only made me more determined to become world champion." Groves, who was set to fight the...

Lightweight Josh Taylor has qualified for the Olympics, ensuring there will be one Scot in the GB boxing team. Taylor will fight in the 60kg division after reaching the semi-finals of the final European qualifying event, coupled with Sam Maxwell's defeat. Middleweight Anthony Ogogo, who won a thrilling contest on countback, and light-heavyweight Callum Smith box for qualifying places on Friday. But Warren Baister lost, meaning GB will not have a heavyweight in London. To reach the last four in...

Nathan Cleverly has been forced to withdraw from his WBO light-heavyweight title defence against Robin Krasniqi due to illness. The Welsh star was set to face the Kosovan on 28 April at the Royal Albert Hall, London, but has been unable to train for his fourth title defence. "I've been unable to train because I've been laid up in bed with a viral infection," Cleverly said. "There's not enough time to make up what I've missed in training." It is not yet clear whether the fight with Krasniqi will...

Tony Bellew, left, and Nathan Cleverly acknowledge the applause after their WBO light-heavyweight title fight. Photograph: Peter Byrne/PA Nathan Cleverly ensured this was not a day Wales will have to forget completely by retaining his WBO light-heavyweight crown against Tony Bellew in a steamer of a contest fuelled by the two men's enmity. The count was 114-114, 116-113, 117-112 in the champion's favour, and at the end both men could grin and accept that the bad blood should be discarded after...

Nicola Adams was the first female boxer to represent England and she expects to do well in the European championships in Rotterdam for Great Britain. Photograph: Andrew Matthews/PA When women's boxing makes its first competitive appearance at an Olympic Games next summer, Nicola Adams will have more reason than most to feel a sense of pride. During her 16 years as a fighter Adams has heard all the arguments about why women should not be allowed to practise the noble art and experienced...

Nicola Adams is one of Britain's best hopes of a gold medal at the European championships in Rotterdam. Photograph: Andrew Matthews/PA Rotterdam is the destination for some of Britain's finest female fighting talent this week when six of the country's top boxers will compete in the Netherlands for the European championships. The tournament, which starts on Monday, is the biggest event of the year for the country's leading fighters and serves as a crucial benchmark with the Olympic Games on the...

David Haye won the WBA heavyweight crown when he beat Nikolay Valuev in 2009. Photograph: David Ebener/Actionplus With a smile and a slice of chocolate cake for his 31st birthday David Haye confirmed his retirementon Thursday, but hinted that if Vitali or Wladimir Klitschko made an offer to fight him he could return to the ring. Speaking at his Vauxhall gym on the date he always maintained would mark his career end, Haye, the former heavyweight and cruiserweight world champion, said: "No...