If we talk about boxing since its origins it was very popular in England between the XVIII and XlX centuries it was fought without gloves in some countries the box was prohibited because it was considered the most brutal and violent sport years later it was regularized, even though the first place was they carry mixed martial arts (MMA).
The goal of boxing is to have the greatest number of direct hits to the opponent ie victory for points (VP), in the sport you need a referee, a doctor, a timer, an announcer, and judges to determine which of the boxers is will take the victory.
There are other ways to win the fight as an example victory by abandonment (V.Ab.) if a boxer voluntarily retires will throw the towel or sponge, victory by knockout (V.KO) after the boxer is shot down and the referee count up to 10 Victory for technical knockout (VKOT) if any circumstance occurs that the referee stops the fight due to technical or physical inferiority of some of the fighters, victory for disqualification among other ways to win a boxing match.
Registered as the best boxers in history Muhammad Ali, Sugar Ray Robinson, Joe Louis, Archie Moore, Alexis Arguello, and the 5 boxers who retired undefeated Terry Marsh, Ricardo Lopez, Jack McAuliffe, Laszlo Papp and Rocky Marciano.