I started running when I was still playing rugby and didn't find it too difficult at the start as I had the general fitness to cope quite easily with 80 mins of exercise.
What I really struggled with was when the long runs got over 12 miles. I was really doubting whether I would ever complete the full distance.
If the guy can fit in 3 runs and his football on top of that he should be prepared enough to "get round"
I think it says more about the morals of the club that sign him.
As mentioned before, it`s hard to say that he shouldn`t be able to earn a living doing what he has been trained to do. If he was a binman or street cleaner no-one would bat an eyelid. I think the outrage is the fact that he will be earning a lot of money.