This thread gives a bit of information regarding the rules for photography at Premier and Football League ground.
Generally, you are not allowed to take pictures in the grounds. You may see people with compacts and obviously mobile phones, (which a blind eye is usually turned because of shear numbers and expectation of rubbish quality with such gear) but try to take pictures with any type of DSLR (or large compact with a huge zoom) and you will probably be stopped. How quickly you are stopped depends on the ground, but all clubs should enforce a no photography policy.
Would they leave you alone if you got caught and put your camera away? Would they confiscate the camera? Would they eject you from the stadium? Maybe someone who has been caught taking pics will tell of their experiences.
If I was paying £25-£100 on a ticket (or even getting one for free

), I wouldn't take the risk that I would miss any of the match (arguing/ejected) for the sake of poor images (you wouldn't get anywhere near pro quality from the stands imho) that you would not be able to do anything with. :shrug:
PS. And unless you are on the front row, a 55-200mm lens would be almost useless imho. Even if you were on the front row a max 200mm would not get you images very far across the pitch.