Boxing in : The 10-point must system

17 professional divisions, from minimumweight (105 lb / 47.6 kg) up to heavyweight (over 200 lb / 90.7 kg) World title bouts are 12 rounds of three minutes, scored by three ringside judges on the 10-point must system Boxing is the oldest form of organized combat in sport, and the most exposed. Two fighters of matched weight step between the ropes with nothing but gloved fists, a mouthpiece and their own nerve; there is no ball to hide behind, no teammate to cover a mistake, and no clock to run out for a losing side. A punch missed or a chin caught cold is answered in real time and in full view. From the ancient pygmachia added to the Olympic Games in 688 BC to a Netflix stream watched by 108 million people, the essential contract has never changed: hit and do not get hit.

What grips people is the compression of risk into ninety-second bursts. A twelve-round title fight is a negotiation conducted at the edge of consequence, where a fighter behind on all three cards is one left hook from erasing the whole night. The sport braids courage with intelligence, which is why the old trade name, the sweet science, has outlived a century of critics. Muhammad Ali against George Foreman in Kinshasa, Marvin Hagler and Thomas Hearns trading for eight electric minutes, Manny Pacquiao's whirlwind against Miguel Cotto: the appeal is watching disciplined skill hold up, or break, under the most honest pressure any sport applies.

Boxing is also uniquely global and uniquely fragmented. It crowns champions in seventeen weight divisions through four rival sanctioning bodies, so the map of greatness runs from Mexican body-punchers to Filipino southpaws, Ukrainian technicians, Cuban amateurs and British sellout arenas. That fragmentation frustrates casual fans but feeds a deeper truth: at 105 pounds and at 250, the fundamentals are identical, and a pound-for-pound argument can seriously place a flyweight above a heavyweight. No other sport lets a 5-foot-4 champion be ranked, straight-faced, as better than a man who outweighs him by a hundred pounds.