I have noticed at a few of the friendliest that some players wear a fitness band around their chests (forgive me for exact terminology as I am not an expert in this field). I think it's a stat sport item.
Tonight you were going to be calling for the left sided midfielder to track back more and offer stokes more support when I seen this thread title
When Tudgay was preparing to come on, I seen one of the coaches pull at the back of his strap. Was almost like he was turning him on (like you would a battery operated toy, nothing else!!)