In 2009, he was jailed for violent disorder which effectively ended his playing career.
"There is no need for heinous laws that will only encourage violent disorder."
Other charges of violent disorder were dropped by the prosecution.
All four pleaded guilty to violent disorder at a previous hearing.
Cameron says people caught up in violent disorder should expect to go to prison.
An eighteen year old's been convicted of violent disorder after his victim identified him in the street.
The current meaning of the word 'intent' has been discussed in connection with violent disorder.
Lord and Murray also denied conspiracy to cause violent disorder.
There are also occasional occurrences of violent public disorder in the region.
The man's been charged with criminal damage and violent disorder.