Few points, I think we're over egging him as a ball player. He is a specialized lock but I've not seen him send many good balls out to his wingers, or put many people through gaps. Also, any of the reported fees are a lot of money in RL terms, but it's better to take a risk rather than not bother. At his age he could develop into just the kind of player we need, and if he does, even 175k would be cheap.
As for discipline, I think it's fantastic if it's true we tried to offload Tansey as part of the deal. I think it's b0llocks that Fitz and O'Meley have put Tansey in his place, or he wouldn't have been in trouble 3 times already. Also, having Tansey here would give Westerman a poor example to follow. Westerman could turn himself around at Hull with the huge expectation we'll put on him, but to think our pro players are in anyway more influential than Cas's pro players is disrespectful and probably inaccurate.
Time will tell as to whether the signing is a success, but the gamble is definitely worth the risk. It also gives Agar an opportunity to put big forwards in the 13 and 6 positions!