Cain is super overrated but we have seen jack shit of Aspinhall, and even less against top flight competition.
Cain got clipped and almost killed by Kongo, clipped by JDS and demolished, and blasted by Werdum. Aspinhall could certainly leap in and catch him, but would probably be on the back foot so fast, and his wrestling is suspect as fuck. He had issues against a random rugby dude in a video.
This is hard to call. One dude with a short career that only fought the same guys over and over and one dude who’s managed to climb the ladder at a very weak time in heavyweight and against a lot of nobodies. Aspinall was getting tagged up by Curtis Blaydes of all people.
If Aspinall wins, I see him losing the rematch just like JDS did.
JDS beats Aspinall though.