It does not matter if you are talking sport fighting or street fighting.. Willingly engaging in consensual violence (fighting) is not the same as self defence. Clearly here the boxer was the better fighter than the plasterer however it is the boxer who comes of worse. Why? Because the plaster does not attempt to fight him.Who said anything about sport fighting? I'm talking about fighting period.
Boxer has to quit sport after Burnley street attack - Burnley Express
Although this is long at an hour, it is an excellent explanation of the similarities and differences between martial arts, fighting and self define, which are commonly mistaken as the same thing.
The Martial Map (Free Audio Book) | Iain Abernethy
"Many martial arts instructors see martial arts, fighting and self-protection as being one and the same with all distinctions between them being completely lost. Personally I think this lack of clarity to be highly problematic and it is arguably the biggest problem we face today."