I'm not saying that talking about it helps anyone involved, but just because you don't like the information doesn't make it "unfounded rumors". People have mentioned multiple times what his issues are. It just seems that you want to be presented with confirmed video evidence as proof.
There is a poster in this thread that knows the kid because his brother is friends with him, and has given first hand account of the kid's behavior and activities off the field. If you can't accept that as at least a significant smoke from the fire, then that's on you. Could that poster be lying? Sure he could. But that's the internet for ya.