Tough one for me this as Ruddock was overrated & Wilder won't fight anyone that can hit him back.

Ruddock started out as a decent boxer & I'd pick this earlier version to beat Wilder, but he later became a one armed, one dimensional slugger who was drunk on his power & frankly, he was next to useless.

Wilder lives right up to his name normally by being crude & wild, but he did show against Stiverne that he can box a bit.

I'm inclined to pick Wilder, but I don't say that with full confidence.