he is a (well) paid employee, not a slave, consultant or freelancer. Apart from the fact that footballer's earn a lot of money for doing something it is *exactly* that - a normal job.
As such, if someone is injured doing their job its a bit daft calling them a prick and then claiming they should be euthanised on the grounds that, had they been a horse they wouldve been shot by now.
Not least because if they had indeed been a horse, they wouldn't have got the job in the first place.