Gambling: John Hartson on his 'illness and addiction'
A report produced by the Professional Players' Association estimates that 192 professional footballers and cricketers could have an issue with gambling.
BBC Sport explores why professional sportsmen are three times more likely to be problem gamblers than their peers and examines the proposals to tackle the betting culture.
You can hear more about the issue of gambling addiction among professional sportsmen in a special BBC Radio 5 live programme with Eleanor Oldroyd at 21:00.