Going the distance in a professional boxing match requires a supreme level of fitness. Some of this is built in the ring, but ...

A boxer is not a bodybuilder. Sure, many of them flex their biceps post weigh-in and look pretty good doing it, but their ...

Following previous videos in which he subjected himself to Hafthor "Thor" Bjornsson's punishing strongman workout and even got punched square in the chest while taking part in a sparring session, ...