On October 14, 2006, Petr Cech suffered a life-threatening head injury for Chelsea against Reading.
Following a collision with Stephen Hunt, the 34-year-old was stretchered off the pitch and rushed to hospital, where he underwent surgery for a depressed skull fracture.
Just over 10 years on from the harrowing incident and Cech has established himself as one of football's greatest goalkeepers, winning the Premier League four times with Chelsea.
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He's since joined Arsenal but to this day, very little is known about what exactly happened at the Madejski Stadium that day in the aftermath of his injury.
That is until now.
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Ahead of Arsenal's clash with Sunderland on Saturday, in an interview with Sky Sports, Cech discussed his injury and revealed how he felt as he was taken to hospital.
"Things could have been different," he said. "The doctors tried not to scare me too much and I never asked too much.
"But if you ask my wife, even now, she does not look too well. For her, the experience was a thousand times worse than it was for me.
"It was a very close call.
"I lost consciousness, then I came round again. Some people, they did not like me too much because I was confused and sometimes when you're confused you try to fight!"
"The decisions of Bryan and the medical staff and the proximity of Oxford - that's the combination that gave me a chance.
"I had a depressed skull fracture. A few pieces of bone went in quite deep, that was the biggest danger.
"The more they go in, the left side of the brain (where Cech was injured) is quite an important centre of movement. Anything could happen."
After having two metal plates fitted and despite being told he would likely miss the rest of the 2006/07 season, Cech returned to action three months later against Liverpool.
"I have to say a lot of people did not want me to return a quickly as I did," he added. "It was my decision and my will to come back to what I was used to doing and what I love.
"Once the surgeon said the skull is strong enough with the helmet on, I decided to return to training with the team.
"Two days later, we travelled to Liverpool - which I did not tell my wife at the start, I told her I'm just travelling with the team.
"But the manager said to me, 'You want to go to watch or you want to play? You tell me'. I said, 'OK, we're already here. Let's try'."
And the rest is history.