Premier League to look into the "huge problem" that pitch invasions have become in recent weeks - and asked them to take action before "someone is killed".
The Birmingham City forward, who spent 11 seasons at Watford, has reacted after a fan landed a headbutt on Sheffield United striker Billy Sharp and Port Vale defender Mandela Egbo was injured in a week of unsavoury scenes.
With Crystal Palace boss Patrick Vieira also clashing with a fan, Deeney has begged football authorities to take action before someone is seriously injured on the football pitch.
In a column with The Sun, Deeney wrote: "What will it take for that to change? A player to react and a supporter gets seriously hurt? "That player would end up getting punished, and maybe a prison sentence, and then people will wake up and start talking about looking after players."On the flip side, it could also lead to a player being killed, quite easily.
Read more on dailystar.co.uk