In the wake of the sacking of Claudio Ranieri from Premier League Champions Leicester City, we take a look at five of the quickest falls from grace in sporting history.
Aaron Hernandez
The New England Patriots thought they were onto a winner with the physical tight-end out of Florida University.
They were right. The 6ft 1 Hernandez formed the best tight-end combination the NFL had seen for years with Rob Gronkowski. The two combined for 24 touchdowns and 169 receptions in 2011; a league record at the time.
Little did the Pats know that their star tight-end had a very shady past and was involved in multiple homicides.
Hernandez was charged with the first-degree murder of Odin Lloyd in 2013 and the dominos fell from there.
He was immediately released by the Patriots and the NFL de-registered his contract.
In 2015 Hernadez was convicted and sentenced to life in prison. He was subsequently charged with being involved in multiple gang-related shootings and a 2012 double homicide in Boston.
Tiger Woods
Arguably the greatest golfer of all time, Woods was well on track to beat Jack Nicklaus' record of 18 majors championship titles.
Sitting at 14 majors at the age of 33, the American was approaching his prime years, and eclipsing Nicklaus was a forgone conclusion.
However, injuries, a change in caddy and well-publicised infidelity have sent the now 41-year-old's life and career in a tail-spin.
Without a Major title since 2008, golf has well and truly passed Woods by and his quest for dominating the world again is unlikely.
Ronda Rousey
The Mike Tyson of MMA is what Rousey was described as by ESPN.
The former Olympic Judo medallist had steamrolled her way through the competition to claim the first-ever UFC women's bantamweight championship.
Six title defences later - with a total combined fight time of 17 minutes, including three stoppages inside 35 seconds - Rousey was considered the best female athletes on the planet. ESPN awarded her that prize in 2015.
Then along came Holly Holm. A former world boxing champion, who was well coached and brilliantly prepared for their November showdown in Melbourne, Australia.
Six minutes after stepping into the cage with Holm, the Rousey's aura was well and truly gone.
A brutal knockout loss saw Rousey not only lose her title but also sent the American on a major downhill spiral, admitting to suicidal thoughts, retirement and seclusion from public life.
Rousey returned to the sport in December 2016 and suffered an even more humiliating loss to Amanda Nunes. Now it would seem her days as a fighter are well and truly over.
Oscar Pistorius
The South African Paralympics champion was at the top of the world in early 2013, coming off a three-medal haul at London 2012.
Pistorius also accomplished the remarkable feat of being the first amputee runner to compete at an Olympic Games the same year.
February 14, 2013 would change all that for ever.
Pistorius shot and killed his partner Reeva Steenkamp at his home in Pretoria, with the then-27-year-old saying he'd mistaken the South African model for a possible intruder.
A legal battle ensued and eventually in 2016, Pistorius was sentenced to prison for six years.
Ben Johnson
The Canadian sprinter went into the 1984 Los Angeles Olympics as a favourite over American rival Carl Lewis.
Johnson qualified easily for the 100m final but was blitzed by Lewis and faded to third place and a disappointing bronze medal.
Over the course of the next four years, Johnson set his sights on revenge on Seoul in 1988 and he appeared on track with a world indoor title, Commonwealth gold and numerous European victories.
The scene was set as Johnson and Lewis went head-to-head in a repeat of the final four-years-earlier.
Johnson never looked like a loser - winning by as comfortable a margin as you can in a 10-second race and breaking his own world record in the process.
Three days later, after being labelled a national hero by the Canadian Prime Minister, Johnson's drug test came back positive for two banned substances, and he was stripped of his medal.
Despite an attempted comeback in 1991, Johnson was never able to get back to the heights of the mid-eighties and is often remembered as the first high-profile Olympic athlete to test positive for performance enhancing drugs.
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