Yea man. I'm Russian and Fedor is all my time favorite fighter, but he's not getting any younger. I'm pretty confident he could beat Velasquez and Dos Santos (by submission most probably) but I honestly don't know how he'd fair against Lesnar and Carwin. They're just so big they could be in a weight class all on their own, it's not that he hasn't fought bigger guys before, but he was younger when he did..

Lesnar and Carwin are in their Prime, Fedor is stepping down from his. I don't think he's scared though.