"So it feels like the right time to announce that I will retire at the end of this season".
Cech joined Chelsea in July 2004 from French side Rennes and spent 11 hugely successful years with the Blues, winning four Premier League titles, four FA Cups, three League Cups, one UEFA Champions League and one UEFA Europa League.
'All about his numbers, his performances, his clean sheets, his titles and his professionalism.
Cech has been one of the best between the posts in the English top flight while representing London rivals Chelsea and Arsenal.
It was a career all the more remarkable given the serious head injury Cech suffered in 2006 following a collision with Reading's Stephen Hunt.
He said "The goalkeeper was Carlo Cudicini - the season before he was elected the player of the season - and the first game of the season was Chelsea against Manchester United and I made a decision to leave out our player of the season before, and play a kid that nobody would know how to even say his name because Petr Cech was quite hard to say", and added "After that everything was about him".
'Having played 15 years in the Premier League and won every single trophy possible, I feel like I have achieved everything I set out to achieve, ' said the ex-Czech Republic global.
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"I will continue to work had at Arsenal to hopefully win one more trophy this season, then I am looking forward to seeing what life holds for me off the pitch". "Like all football fans, we are sad about this, but completely understand and support Petr".
It was accompanied by the message: "We'll miss you!"
"I was [surprised] because he always looks good in training and every time he plays in a match", Iwobi told SkySports News.
Former England striker Gary Lineker was among high-profile figures in the game to pay tribute to Cech on social media, writing on Twitter: "Congratulations on a truly outstanding career to @PetrCech".
Watford goalkeeper Ben Foster, one of many to tweet support, wrote: 'One of my all time favourites.
In 2015 Chelsea owner Roman Abramovich sanctioned Cech's free transfer to Arsenal after he had lost his place to Thibaut Courtois, a move that then Blues boss Jose Mourinho vehemently opposed.