A Footy Guernsey that has shock sensor to collect body statistics and impact.
A Footy Guernsey that has sensors to collect body statistics. But partially a vibration sensor that can measure impact and that statistic could be displayed to show how hard of a hit the player took or gave. The sensor could all so be in a helmet or headgear to know if the player has suffered any head trauma. The statistics displayed on live TV could provide extra entertainment for viewers.