Boxing: Sergey Kovalev Says Adonis Stevenson Is ‘Cowering Somewhere’

It’s one thing to be a fantastic fighter. It’s another thing to be on a completely different level from your peers. Floyd Mayweather knows what that’s like, as does his rival, Manny Pacquiao, and undisputed heavyweight champion Wladimir Klitschko. Over the course of the past year, Russian knockout machine Sergey Kovalev has learned the feeling as well.