Wow, I wast the first one to vote for Big Horn.
So why I think it would win?
It's freaking massive man!
That thing would break every bone in a deathclaws skinny body.
Sure the goat would probably take a slash to it's side by the claw but I still think it would win.
I don't think a deathclaws intelligent enough to do a side-step out of harms way.
So first the charge would throw the Deathclaw backwards and make it fall to the ground, then it'd run over there and stomp it's face.
Also, they got bigger horns.
Big Horn = Win.