No smoke without fire and seems to be a few different angles to this one from different sources which may give it some credibility.
I really hope it is true, with the caveat that he if he did sign he turns up with the right mentality as he has had a few years where he went from being potentially one of the best forwards in the world to a journey man.
The pessimist in me still however doesn't think he will come to us just yet but may be a potential replacement for Locky in 2018 and looking to sort things out now whilst he is over here.