First of all there was a guy named Charles Nicholas, who used to do all of the inking that Jack and Simon didn't do. Simon used to do splashes and covers, but Charles Nicholas, after a while, did the inside of all of the stuff.
I think players tend to get anxious if they've not really done things properly - like eating, resting or training. If you're fully prepared you've got nothing to worry about - it's just a game of football.