On Thursday night in Lausanne, Switzerland, three sprinters broke the 10-second barrier for the 100 metres: Justin Gatlin, Tyson Gay and Mike Rodgers. Gatlin’s 9.80secs was the quickest time in the world this year.

Research undertaken at the University of Oslo shows that dope cheats such as Justin Gatlin could still be benefiting from taking banned substances years after initial usage.

Sprinter Justin Gatlin ran into a new row on Tuesday when he flew home on the eve of the Beijing World Challenge, claiming organisers told him they did not want him competing.

Organisers of the Beijing World Challenge have denied that they kicked out Justin Gatlin from their meeting and said they were 'perplexed' by the controversial sprinter's claim.

Justin Gatlin added the year's fastest 200m time to his resume at the Prefontaine Classic Diamond League meeting.  Gatlin equalled his lifetime best with his run of 19.68 seconds

Usain Bolt has rubbished reports that he is afraid to face Justin Gatlin. Bolt has had an injury-ravaged season and the pair are yet to meet in 2015 but Bolt is gunning for Gatlin at World Championships

MARTHA KELNER: Justin Gatlin can produce a nightmare scenario for advocates of clean sport by breaking Usain Bolt’s 100metres world record this summer, according to ex-sprinter John Regis.

Controversial Justin Gatlin set the stage for a world championship showdown with Usain Bolt when he won the 200 metres in a blazing 19.57 seconds at the U.S. trials in Oregon on Sunday

The credibility of Alberto Salazar’s defence against doping allegations has been further undermined by an interview he gave about a controversial incident involving Justin Gatlin in 2006.

Next month’s World Championships men’s 100m final is in danger of rivalling the 1988 Olympic final in Seoul as the ‘Dirtiest Race in History’.

Usain Bolt celebrated his first serious 100metres win of the season by celebrating in London. Bolt was spotted at swanky west London nightclub Libertines following his 9.87 second win.

On Sunday night the best 100m sprinters in the world will settle down on to their blocks in the iconic Bird’s Nest Stadium in Beijing, the scene of much heroics in the 2008 Olympics.

MATT LAWTON: Seb Coe has said he will feel ‘queasy’ should Justin Gatlin, or any other convicted drugs cheat, win gold at the World Athletics Championships in Beijing.

MARTHA KELNER IN BEIJING: Usain Bolt goes head to head with the two-time drug cheat over 100m and 200m at the World Championships in Beijing this weekend.

Usain Bolt turns 29 on Friday. There might be a modest slice of cake and a rendition of Happy Birthday from his Jamaican team-mates but otherwise the significance of the day will be ignored.

MARTHA KELNER IN BEIJING: The roll call of winners from the first round of the World Championships 100m was almost farcical with four of the seven previously serving drugs bans.

OLIVER HOLT: If Justin Gatlin wins, it will be a terrible indictment of a sport. If Usain Bolt wins, it will merely reinforce the idea that he is all that stands between athletics and oblivion.

'Good versus evil' is a step closer to resuming in the 200 metres at the World Championships in Beijing after Usain Bolt and Justin Gatlin cruised into the semi-finals.

Usain Bolt and Justin Gatlin set up the sequel to their world championship sprint showdown on Wednesday, both winning their semifinal heats in the 200 metres.

JONATHAN MCEVOY: 20 years on from becoming the only man to claim an Olympic 200m and 400m double, Michael Johnson opens up on the problems facing his friend Lord Coe and British hopes in Rio.

USA's Justin Gatlin, 34, hopes to become the fastest man in the world, beating out rival sprinter Jamaican Usain Bolt. The New Yorker has been banned from the Olympics twice for doping

Justin Gatlin was again cast as the pantomime villain by the crowd at the London Stadium on Sunday as he collected his 100m gold medal after beating Usain Bolt to re-gain his world title.

Gatlin has rejected the allegations, for which he is considering suing the newspaper, and has sacked Mitchell, who won 4x100m relay gold for the USA in 1992 before being banned in 1998.

The 22-year-old Brit stormed through on the line to record an impressive season's best of 10.04sec in driving rain, edging out the Chinese pair of Su Bingtian and Xie Zhenye.

Former Manchester United and Tottenham star Dimitar Berbatov has urged Timo Werner to sign for Bayern Munich instead of Liverpool this summer. He has impressed for RB Leipzig.

'Outrageous' transfer fees will become a thing of the past after the coronavirus pandemic, Bayern Munich president Herbert Hainer believes.

First-team stars Robert Lewandowski and Kingsley Coman were seen entering Bayern's training facility on Monday morning as the players returned to action in small groups.

Manuel Neuer is 'unlikely' to be at Bayern Munich next season because the 34-year-old goalkeeper wants a five year contract extension.

Bayern Munich president Herbert Hainer says Thomas Muller is as symbolic to the city as the annual and world-celebrated Oktoberfest.

The former Chelsea and Bayern Munich star opened up on the couple's health fright, and highlighted that Bernadien had struggled to recover from the virus over a sustained period.

Kingsley Coman joined Bayern Munich originally on loan when Pep Guardiola was manager. The French international has praised his former manager as the best 'a winger can have'.

Michael Rummenigge, former Bayern Munich striker, believes Sane's long-term injury and the financial impact of the coronavirus could see City lower the price or cut him off as a free transfer.

UEFA president said he would consider finishing the European competitions behind closed doors but will accept they might have to be cancelled if they were unable to resume by September.

Sagnol, who was working as a scout at Bayern Munich as Varane rose through the ranks at Lens, claimed he got a tip-off about the 18-year-old defender from a friend.

Philippe Coutinho (right) has spent the season at Bayern Munich after being frozen out of the Barca first-team, but the Chelsea target could be handed a surprise return by Quique Setien (left).

Mamadou Sakho has revealed that he turned down Barcelona, Bayern Munich and Arsenal to join Liverpool. The defender joined Liverpool from Paris Saint-Germain in 2013 for £18million.

Everton are reportedlyinterested in signing Torino's Andrea Belotti this summer, with Manchester United and Napoli also pursuing the striker. 

Philippe Coutinho could get back to his best if he returns to the Premier League, according to Barcelona legend Rivaldo. The Brazilian has been linked with a move to Chelsea.

Bayern Munich star Alphonso Davies has quickly become one of the clubs most valued assets, but it doesn't mean he didn't have those first-day nerves meeting some of his superstar teammates.

Robben ended his playing career last summer and admits that, while he initially didn't miss football, he started to think about possibly playing again.

Barcelona are also interested in Juventus midfielder Miralem Pjanic and would be willing to part ways with Brazilian midfielder Arthur Melo in an exchange deal.

KIT HOLDEN IN GERMANY: On Monday morning, the Bundesliga waited with bated breath for news out of Cologne. When it came, German football breathed a collective sigh of relief.

Chelsea manager Frank Lampard has insisted his players will need a proper pre-season as he wrestles with getting his side back to fitness for Project Restart.  

Klose, who scored a record 16 World Cup goals and won the trophy with Germany in 2014, has been a youth coach at Bayern for the past two years since retiring as player in 2016.

Sen. Bernie Sanders acknowledged 'you cannot win 'em all' as he congratulated former Vice President Joe Biden on his South Carolina victory Saturday.

Bernie Sanders raised $47 million in February for his presidential campaign, more than doubling former Vice President Joe Biden's $18 million haul.

Joe Biden snagged a trio of endorsements from his formal rivals in a show of force designed to give him momentum heading into the critical Super Tuesday contests and stop Bernie Sanders from winning.

Former New York mayor Mike Bloomberg swatted down suggestions he get out of the race during a campaign swing through Florida on Super Tuesday.

Biden staged a dramatic comeback on Super Tuesday winning Virginia then eight more states. Sanders took California but Bloomberg and Elizabeth Warren both look doomed.

Bernie Sanders launched a series of personal attacks against his rivals after Joe Biden racked up multiple wins in Super Tuesday contests following endorsements from former contenders.