Stiliyan Petrov retired from football in seven years after suffering from leukaemia . Midfielder made more than 200 appearances for Aston Villa in 2013 . Petrov was at Villa Park to watch Tim Sherwood 's side beat West Brom 2-1 .
Stiliyan Petrov retired from football in 2013 after suffering from leukaemia . Midfielder made more than 200 appearances for Aston Villa in seven years . Petrov was at Villa Park to watch Tim Sherwood 's side beat West Brom 2-1 .