Beatriz Haddad-Maia failed a urine test following a WTA Tour event in Croatia in June but was still able to play at Wimbledon, where she earned £72,000 in prize money.

The controversial Yang has been in the spotlight in Gwanju for the past week since  Australia's Mack Horton refused to share the podium with Sun after he finished second in the 400m freestyle final.

LIZ BYRNES IN GWANGJU: Peaty has hit out at swimming's governing body for refusing to respect freedom of speech after his Scott was warned for protesting against Yang.

Australian swimmer Shayna Jack reportedly failed a doping test ahead of the World Championships.

Brisbane based freestyler Jack on Sunday night confirmed she was the latest athlete to be caught up in a doping scandal, having tested positive to Ligandrol during a routine drug test.

Sun Yang was pictured walking through Hangzhou International Airport in China on Sunday after winning gold in the 200m freestyle at the World Championships in South Korea.

Crystal Palace defender Mamadou Sakho believes his legal battle with WADA over a drug test blunder will not be a distraction on the pitch this season. Sakho is suing the agency for £13million.

Jack will speak with ASADA in Brisbane to discuss the muscle growth drug Ligandrol that was found in her system - which she says was ingested unknowingly through supplements.

Algeria distanced themselves from suggestions that medication taken by Riyad Mahrez on their watch led to fears the Manchester City star could fall foul of doping rules.

Cycling's drug problem has been well documented for years, but for once the sport was happy to assist in catching those committing doping violations - albeit accidentally.

The American, who is the heavy favourite to win the 100m in Doha, had faced a potential suspension after three missed tests in a 12-month period, as revealed by Sportsmail .

MATT HUGHES: Russia are facing a worldwide ban from all major sports events after being given three weeks to explain signs of tampering with drug tests. 

EXCLUSIVE BY MATT HUGHES: Athletics' chiefs want to tighten the sport's drug-testing regime after the world's fastest man Christian Coleman escaped doping sanctions earlier this month.

RIATH AL-SAMARRAI IN DOHA: Christian Coleman is on course for 100 metre glory at the World Athletics Championships but his doping violations mean he can't replace Usain Bolt as the face of the sport.

RIATH AL-SAMARRAI: The explosive development follows a four-year investigation by the US Anti-Doping Agency into the work done by the coach, who runs the Nike Oregon Project.

IOC president Thomas Bach has described Alberto Salazar's ban as 'very worrying' and has called on the World Anti-Doping Agency to look at athletes who worked with the disgraced coach.

Dr Chakraverty, chief medical officer at UK Athletics at the time, gave an L-Carnitine infusion to Farah before the 2014 London Marathon. The procedure is controversial.

RIATH AL-SAMARRAI IN DOHA: In the end it was all too much for Muir. There were simply too many injuries and one athlete who ran the sixth quickest 1500m time in history.

Dillian Whyte will have to wait until February 2021 for his WBC heavyweight title shot, if his 'situation is resolved' by UK Anti-Doping. 

Track and field athlete, Mary Cain, once the 'fastest girl in America' on Thursday urged Nike to change their system after her former coach Alberto Salazar was banned after a doping investigation.

Russia could be set for a new ban from major international sporting events like next summer's Olympic and Paralympic Games over claimed inconsistencies in anti-doping data.

The prospect of Russian track and field athletes taking part in the Tokyo Olympics are looking slimmer after the president of the country's athletics federation was charged on Thursday.

EXCLUSIVE BY ROB DRAPER: UK Athletics called a special meeting with the English Institute of Sport to discuss the controversial use of thyroid medication on elite athletes.

Russia have been banned from the world's top sporting events for four years, including next summer's Tokyo Olympics and the 2022 Qatar World Cup, for tampering with doping tests.

British Olympic chiefs have called for even tougher sanctions against Russia to prevent their athletes competing as neutrals in Tokyo next year.

Speaking about the World Anti-Doping Agency's decision, Putin said Russia were 'being punished for the same thing twice - we've never had anything like this in the history of humankind.'

Two-time London marathon winner Kenyan Wilson Kipsang has been provisionally suspended for whereabouts failures and tampering with samples, the Athletics Integrity Unit revealed.

The trial of Lamine Diack, the former president of World Athletics, has been adjourned until June and the 86-year-old's request to return from Senegal has been refused.

MIKE KEEGAN IN PARIS: World Athletics is to sue Lamine Diack and his co-defendants for £35million. The ex-head of the sport's governing body, formerly known as the IAAF, was in a Paris court on Monday.

EXCLUSIVE BY MATT HUGHES: The ECB already conduct more drugs tests than any other domestic board, with more than 350 taking place last summer, and even more due to occur this summer.

The five-bedroom five-bathroom home nestled in Aspen, Colorado, also boasts underground rooms. The disgraced cyclist said last year one of his family's favorite places there is the fire pit.

Findings from the independent review into UK Athletics' handling of the Alberto Salazar affair are due to be announced in the spring.

RIATH Al-SAMARRAI: Sir Mo Farah could face investigation by UK Anti-Doping agency after it emerged he changed his story when talking to investigators about injections he received.

RIATH AL-SAMARRAI: It emerged in Panorama on that some UKA officials had misgivings about whether administering the legal supplement ahead of the London Marathon was within the 'spirit of sport'.

EXCLUSIVE BY MATT HUGHES AND RIATH AL-SAMARRAI: Farah is in the spotlight again following BBC Panorama's expose of how he changed his story when talking to American investigators.

Mark Dry, 32, had appealed successfully to a sports resolution panel against the ban for lying about why he was not at the address provided in his whereabouts information in October 2018.

Mo Farah has said that he has been left depressed over accusations that he lied about taking performance-enhancing injections.

RIATH AL-SAMARRAI: UKAD have launched an attack on UK Athletics over their failure to share information relating to Sir Mo Farah's former coach Alberto Salazar in 2015 - calling for full disclosure.

UK Anti-Doping have finally received the full internal review into Sir Mo Farah's relationship with Alberto Salazar after their astonishing criticism of UK Athletics last month.

Another wave of Russian athletes could face new doping charges after the World Anti-Doping Agency said on Thursday that it has completed its investigation of a vast trove of evidence.

Harvey Elliott will sign a three-year contract this summer to reward the excellent start he has made to his life at Liverpool. A fresh deal will be penned running to the end of the 2023 season.

Liverpool are striving to become only the second team in Premier League history to go a season unbeaten, but their next opponents Watford are focussed on fighting for their lives at the bottom.

In a dramatic decision which would likely reverberate down to grassroots level, Liverpool would be denied the top-flight title and struggling teams would be saved from dropping down.

DANNY MURPHY: This is a golden period for dynamic English midfield players between the ages of 20 and 25. Jack Grealish should be one of those around the top of the game for the next decade.

SAMI MOKBEL AT STAMFORD BRIDGE: Klopp made seven changes from the side that lost to Watford on Saturday - and included youngsters Neco Williams and Curtis Jones in side.

LIVERPOOL 2-1 BOURNEMOUTH - ROB DRAPER AT ANFIELD: Ryan Fraser was in, clear on goal. Yet he only had a split second to react, as Adrian was charging from his goal-line.

Callum Wilson gave the Cherries a shock lead in the ninth minute but there was controversy surrounding his goal with the striker giving defender Joe Gomez a push in the build-up.

Atletico Madrid midfielder Koke has dismissed the notion that Liverpool's poor run of form gives his side the edge ahead of their Champions League last-16 tie at Anfield.

England midfielder Henderson has been out since injuring a hamstring in the first leg three weeks ago but trained on Sunday and Monday and is available to take his place in the Liverpool squad.

There are reasons for Jurgen Klopp to think that he can devise a masterplan to see Liverpool through, despite coming into the second leg with a 1-0 deficit against Atletico Madrid.