Have to admit I'm puzzled. Correct me if I'm wrong on any of the points, but I thought Griffin started in Giants academy, where he was presumably deemed not good enough. Went to Cas, and was first choice in a struggling side, but presumably dropped down the pecking order before going to the Tykes. With the dogs, he has by all accounts been a revelation, but has now chosen to join a club that is throwing money at far bigger names. I suspect he'll struggle to get a game, and end up back in the championship anyway, one way or another - like Brown in fact. Bet he ends up back on loan with you lot sooner rather than later.
Cas played him mainly on the wing, which was a waste of a good centre. From what I have seen this time around I think that he has the skills to make the grade in SL second (or should it be third?) time around. A big loss for us imo.