I base it on that one and his previous career, I think fury started improving a lot in the year or two before fighting wladimir, he started to use his height and reach very well and he is great at fighting rough/borderline cheating(his ko of cunningham is a good example of this).. He seems to have become very fit in big fights now too(maybe due to wild boar consumption), I think he would out wrestle, out jab and just exhaust joshua... If he comes back the same as before he left of course.
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