Crawford would turn Villa into mush. Chukhadzhian would have been challenging for either man. I do think Crawford has a few more tools in his bag and would have found a way to stop him while Spence would have won a somewhat one-sided decision. Spence and Villa might be a bit of a war until Spence put him on his butt for good.
Chuk would be difficult, but Crawford probably too precise, experienced, and polished to make himself look bad the way Ennis did.
It wouldn't have been a war with Spence because Chuka didn't have the power to bother Spence. He would have been treated like Algeri and stopped. Crawford would have set a trap and knocked his whole head off.
Spence would actually cut the ring off instead of waiting for Karen to exchange with him and Bud would stun him during an exchange and pounce.
How many slicksters has Spence fought? Melon Head Mikey Lo Greco Peterson Van Heerden Ugas Danny Brook Porter Nope Injured knee Algieri is the closet you'll get and he like so many of Errol's opponents is a career 140 pounder and he was cursed with below average punch resistance Spence is flat-footed and Karen has excellent feet and movement and is far more elusive and slippery than anyone Spence has fought and he has a good chin and isn't a career 140 pouner too. The closest facsimile to Karen he's fought is Sapiev in the amateurs and he gave him a boxing lesson. Sapiev was floating and gliding around the ring like a ballerina's ghost. This content is protected You can favour Spence but if the faster, harder punching and longer and rangier Super Boots can't stop Karen I don't see Spence doing so either.
Roiman Villa would be tough for both fighters but i think Both Crawford and Spence stop both fighters late.