Premier League - Football rallies to support Petrov
Aston Villa statement: "The Villa Board received news today that our long-standing captain Stiliyan Petrov has been diagnosed with Acute Leukaemia. Stiliyan developed a fever following the Arsenal game last Saturday and subsequently underwent tests conducted by Dr Ian McGuinness. Haematology experts confirmed the diagnosis today. We expect to learn more about Stiliyan's situation in due course and we have moved quickly to support him and his family. During this time we ask that Stiliyan's privacy is placed ahead of all inquiries and trust that we will share information as we receive it. Stiliyan is cherished by many and he will get from Villa every ounce of love and support that we have to help bring this to a positive conclusion."
Villa and Ireland goalkeeper Shay Given on Twitter: "In shock about Stiliyan Petrov acute leukaemia but we are all here for him and his family. Please God he makes a full recovery. #prayforstan"
Villa defender Carlos Cuellar on Twitter: "I feel very sad with the new of our captain Petrov,our support for him and his family,he is very strong and will win this battle"
Former Villa captain Ian Taylor on Twitter: "Terrible news re Stylian Petrov illness. Our best wishes go out to him and his family. Praying he can make a full recovery. #getwellstylian"
Ex-Villa defender Paul McGrath on Twitter: "Saddened to hear news Aston Villa captain Stiliyan Petrov a true gent who has been diagnosed with leukaemia. Wishing him all the best."
Former Villa striker Stan Collymore on Twitter: "Stan Petrov,there's an army of Villa fans around the world that are there with you now. Get well soon pal! We love you! #UTV #avfc"
Celtic FC statement: Neil Lennon has spoken for the entire Celtic family in describing his absolute devastation regarding the terrible news that Stiliyan Petrov has been diagnosed with acute leukaemia. The Celtic manager is a friend and former team-mate of the Bulgarian midfielder, as is Alan Thompson and Johan Mjallby. And they, like everyone else, have been left stunned by the news of Petrov’s illness.
Neil Lennon: "We are all absolutely devastated to hear this news. As a member of the Celtic family, it is important for Stiliyan to know that he has our unequivocal support in battling against this disease. Knowing Stiliyan as I do, and the many obstacles he has overcome in his life to get to the peak of his career, he will overcome this one too. On behalf of the players and the backroom staff we send our support and best wishes to Stiliyan, Paulina and the family. We are there for them all and they will never walk alone."
Lennon added on Twitter that he was "inconsolable" at the news.
Celtic chief executive Peter Lawwell: "This is terrible news and our support and prayers go to Stiliyan, Paulina and their family at this very difficult time. Stiliyan was an exceptional player for Celtic and helped to bring incredible success here during the seven years he spent at the club. He was also one of the most popular players here, not only within the club but with all our supporters and I know that they, too will want to pass on their support and best wishes to Stiliyan and his family."
Geoff Thomas, the former England and Crystal Palace midfielder who was diagnosed with Leukaemia in 2003: "It's totally unexpected and my thoughts are with his family. We have tremendous skills in haematology in Birmingham and he will be in the best hands."
Chelsea, Villa's opponents on Saturday: "Everyone at Chelsea wishes Stiliyan Petrov a full recovery. We're thinking of him and his family."
Wolverhampton Wanderers on Twitter: "Very best wishes from everyone at Wolves to Villa captain Stiliyan Petrov who is fighting leukaemia."
Manchester City on Twitter: "Thoughts of everyone at Manchester City are with Stiliyan Petrov following news of his illness."
Everton captain Phil Neville on Twitter: "So sad to hear about stiliyan petrov my thoughts and prayers are with him and his family!"
Arsenal midfielder Jack Wilshere: "Sad news about Petrov...hope he gets through this! Thoughts with his family and team mates!"