THOUGHTS? Check out this heavy bag boxing drill by one of the hardest punchers in boxing - world champ Artur Beterbiev - 19 wins, 0 losses, 19 knockouts. He may even be the one to beat Dmitry Bivol… Beterbiev embodies the word “power”, fighting with a ruthless and brutal but calculated style. He is always the aggressor, but his thunderous punches are not wild, they are precise, well-timed, and deadly.
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