A judge has entered a not-guilty plea for a former Baltimore Ravens and University of Michigan assistant football coach.

The photos could be a clue that coaches' likenesses will appear in the sequel to the highest-grossing sports video game of all time.

Find out how football 5-a-side works and take a look at the Allianz information graphic above. If you want to learn more about other Para-sports, click through the information graphics below ...