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.

The world of athletics was rocked on Tuesday when the coach who led Sir Mo Farah to his Olympic gold medals was banished from the sport in disgrace for doping violations.

Sportsmail has learned Salazar has instructed his lawyers to prepare for another lengthy battle after immediately announcing his intention to appeal USADA's judgement earlier this week.

There was a time, long before their visceral hatred of adidas fuelled a desire to become the biggest, brashest sports brand of all, when Nike had something resembling a soul.

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.

EXCLUSIVE BY ROB DRAPER: Travis Tygart, head of the US Anti-Doping Agency who led the prosecution, says Salazar's methods threatened the health of his athletes.

Two-time Olympian Kara Goucher trained under Salazar between 2004 and 2011 before making claims against him to the USADA in 2013. Salazar was given a four-year ban for doping violations earlier this week.

Despite publicly standing by the coach who led Sir Mo Farah to four Olympic golds, Nike has responded to the backlash over the US Anti-Doping Agency findings by closing the set-up.

RIATH AL-SAMARRAI IN CHICAGO: Sir Mo Farah is still running... running away from any notion that he might have played it differently, and quickly towards the idea that it's all been media conspiracy.

Slovenian cyclist Janez Brajkovic, 35, posted the pictures of his incredibly lean legs after returning to the track following a ten-month doping ban for testing positive for methylhexaneamine.

An athlete at the Nike Oregon Project (NOP) run by controversial coach Alberto Salazar provided an anomalous blood sample in 2011, indicating they may have been taking the drug EPO,

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

Although Whyte has not been banned, the WBC decided to suspend his status as 'interim' champion. Therefore, Tyson Fury has been installed as the new mandatory challenger.

The World Anti-Doping Agency has confirmed it will investigate the athletes who worked under Sir Mo Farah's disgraced former coach Alberto Salazar.

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.

Shane Sutton sensationally stormed out of the Richard Freeman medical tribunal on Tuesday after branding the former Team Sky and British Cycling medic a 'spineless liar'.

The former Team Sky head coach gave evidence at the tribunal of Dr Richard Freeman, who is accused of ordering 30 banned Testogel sachets to the National Cycling Centre in May 2011.

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.

Russia's reinstatement process has been suspended by the World Athletics Council following fresh anti-doping charges against senior officials. The RusAF has been banned since 2015.

Weighing in at 19st 11lbs for his first fight with Joshua, Ruiz stunned the world by dropping the Brit and his chiseled physique to the canvas a staggering four times before getting the stoppage in June.

American coach Alberto Salazar, who worked with Mo Farah from 2011 to 2017, was banned for four years by the US Anti-Doping Agency (USADA) in October.

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.

Dillian Whyte should be immediately reinstated as mandatory challenger for the WBC heavyweight title after being cleared of doping, according to promoter Eddie Hearn. 

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.

Vladimir Putin's comments come after WADA barred teams under a Russian flag from competing at the Olympic and Paralympic Games in 2020 and 2022 and the football World Cup in 2022.

Richard Freeman's barrister has claimed a current British Cycling coach used a Coke can containing urine to try to help Shane Sutton cover up a doping offence during his riding career.

EXCLUSIVE BY DANIEL MATTHEWS: Whyte failed a drugs test ahead of his fight with Oscar Rivas in London in July. The Brixton heavyweight also changed his gloves at the last minute.

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.'

A doctor who worked for Manchester City and Bury has been charged by the FA with breaching anti-doping rules. Dr Andrew Johnson is alleged to have provided 'fraudulent information'.

Sir Mo Farah has claimed he would have left Alberto Salazar sooner if he knew about his controversial practises at the Nike Oregon Project - despite staying with the disgraced coach for two more years.

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

ROB DRAPER AND PETER ALLEN IN PARIS: A criminal trial will start on Monday with some huge names on the International Olympic Committee sweating to see if they are named in court.

A courtroom battle billed as sport's trial of the century is set to start in Paris on Monday. Lamine Diack and six others will stand trial accused of conspiring to cover up positive drugs tests

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.

According to the Mirror, Barnsley boss Gerhard Struber held a team meeting to break the news last week before informing the group that Diaby would not be featuring against Bristol City last Saturday.

Prosecutors in Texas have accused Viafara of conspiring with members of the Gulf Cartel to organise cocaine shipments that left Colombia on speedboats.

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.

EXCLUSIVE BY MATT HUGHES: Russia has asked the Court of Arbitration for Sport for more time to prepare an appeal against their four-year ban from international sport.

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.

Sun, a three-time Olympic champion, was on Friday found guilty of refusing to cooperate with sample collectors during a visit to his home in September 2018.