Beterbiev will never be ready for Kovalev. That extensive and glorious amateur career has molded him into what he is, a come forward brute with no head movement. He will be picked apart coming in and gone within 5
Duva's keeping Kovalev's chin buried deep in that old nana is what she's doing. That much is obvious.
Based on some of Kovalev's past fights he does indeed have a egg chin. But Kovalev is fun to watch. Kovalev will be exposed the first time he gets hit by a power puncher.