I've been a bit disappointed in myself that I haven't written anything about this yet, but in the interim, others have said everything I might have thought to say anyway. So read them. This is a tough situation, and I hope he is able to get the peace he needs in the coming days/weeks/months.
First, the basics:
It is all so heartbreaking. Sam has clearly struggled with adapting to the spotlight and the world of professional football. Slotted as a draft pick and regular contributor 18 months ago, we have watched as every step forward has been met by a step backward for his career.