Stiliyan Petrov announces his retirement from football to set up a leukaemia foundation.
Thousands of people turned out in Sofia's national stadium to show their support for Aston Villa's Stiliyan Petrov.
Gabriel Agbonlahor says Aston Villa were hit hard by Stiliyan Petrov's leukaemia diagnosis but has backed the skipper to overcome the illness.
Gabriel Agbonlahor has been named as Aston Villa's captain after Stiliyan Petrov was diagnosed with acute leukaemia.
Carlos Cuellar says Stiliyan Petrov's leukaemia was found after the Villa squad underwent tests in the wake of Fabrice Muamba's collapse.
Alex McLeish says Stiliyan Petrov, a man he describes as a 'pure leader', is in a positive frame of mind as he starts his battle against acute leukaemia.
Bolton winger Martin Petrov has paid tribute to Bulgarian compatriot Stiliyan Petrov after he was diagnosed with acute leukaemia.
Alex McLeish has revealed Stiliyan Petrov was very proud of Villa's display against Chelsea after being diagnosed with acute leukaemia.
Eric Lichaj has revealed how Aston Villa team-mate Stiliyan Petrov came into the dressing room before the Chelsea game to try and motivate the side.
Sunderland manager Martin O'Neill has expressed his 'devastation' after Stiliyan Petrov was diagnosed with acute leukaemia.
Stiliyan Petrov's agent has rejected reports that the Aston Villa captain is retiring from football after being diagnosed with acute leukaemia.
Stiliyan Petrov will attend Aston Villa's home clash with Chelsea just 24 hours after being diagnosed with acute leukaemia.
Former Celtic defender Alan Stubbs has urged Stiliyan Petrov to shut out the negative thoughts and fight after being diagnosed with acute leukaemia.
Stiliyan Petrov will begin treatment for acute leukaemia after being diagnosed with the disease at lunchtime on Friday.
Darren Bent hopes to have Stilian Petrov back fighting fit as soon as possible.
Alex McLeish said that Stilian Petrov is now in London and is to begin treatment immediately after he was diagnosed with acute leukaemia.
Aston Villa boss Alex McLeish believes his players will be trying to beat Chelsea for captain Stiliyan Petrov.
Stiliyan Petrov has received messages of support after it was announced by Aston Villa that he has been diagnosed with acute leukaemia.
Neil Lennon and the entire team at Celtic have offered their support to Stiliyan Petrov after hearing that he has been diagnosed with acute leukaemia.
We look at the career of Stiliyan Petrov after the news he has been diagnosed with acute leukaemia.