One Punch. Lights Out. 💥 | Brutal Boxing Knockouts

One punch knockout in boxing requires perfect timing and accuracy. It is hard to execute, but once it lands, the result is always devastating. Here are the top brutal one-punch knockouts in boxing. Subscribe to our channel "Boxing Stars": https://www.youtube.com/channel/UCe_VjZWT6MdVifYWYnSZ6Kw Footage Credit: Showtime Boxing: https://bit.ly/1JkLUS3 Sky Sports Boxing: https://bit.ly/2Uetrie BT Sports Boxing: https://bit.ly/37EoerA Top Rank Boxing: https://bit.ly/2ULGhFe PBC on Fox: https://bit.ly/2j1epuF DAZN: https://bit.ly/2UOsw8K #Boxing #BoxingStars #BoxingKnockouts #OnePunchKnockouts