WHY?
So the guy suffers from an illness and for that reason he has to get another job. NO. He needs the help of friends within football. Yes, kick hell out of him on the pitch in the spirit of the game so to speak, but never ever tell him as you go in to a tackle "you should have carried out that suicide last week".
Exactly. There's no case to exclude people on the basis of mental health. It sounds like Cox has been open and honest about his struggles, and should be supported, or it will deter others from seeking help.