powers overated anyways, you learn that very fast when you start boxing (especially with a good trainer). come to think of it iv never even touched boxing exercise that is primarily used to gain punching power
That is why they call it boxing and not knock-outing . A good example was the recent Golovkin/Lemieux fight . The hyped KO artist Lemieux was quickly exposed by jabs then after several rounds GGG turned on the power to get the stoppage , masterful.