WHEN Peter Shilton used to disappear into rooms to use his phone, his wife Steph suspected that he was messaging another woman. It was only after she discovered that the number he was calling belonged to a well-known gambling firm, that she realised her husband was hiding something else entirely.What began as a hobby sparked by an interest in horse racing had, over the course of Peter Shilton’s illustrious career, morphed into a secret which cost him much of the wealth he accumulated as the number one goalkeeper in the world.