The super welterweight (or light middleweight) division in MMA sits between the welterweight division and the middleweight division. It was approved by the Association of Boxing Commissions on July 26, 2017.

Charlo started fast in this rematch, sending Harrison to the canvas in the second round. In 1823, the Dictionary of the Vulgar Tongue said the limit for a "light weight" was 12 stone (168 lb, 76.2 kg) while Sportsman's Slang the same year gave 11 stone (154 lb, 69.9 kg) as the limit. Boxing.
In all world and national title fights, weight limits must be strictly observed, although fighters are often allowed by contract to weigh-in the day before a fight. Originally the term "welterweight" was used only in boxing, but other combat sports like Muay Thai, taekwondo, and mixed martial arts also use it for their own weight division system to classify the opponents.

)The currently-recognized weights for professional male boxers, listed in maximum allowable weight for each division/class/category, as de… (in a steeplechase or hurdle race) a weight of 28 pounds (13 kg) that is assigned to a horse in addition to the poundage assigned based on the age of the horse.

The light middleweight division (also known as junior middleweight in the IBF or super welterweight in the WBA and WBC), is a weight division in professional boxing, above 147 pounds and up to 154 pounds (66.7–69.9 kg).. History. super middleweight, 168 pounds (76 kg) light heavyweight, 175 pounds (79 kg) cruiserweight, 200 pounds (91 kg) heavyweight, unlimited. noun a boxer or other contestant intermediate in weight between a lightweight and a middleweight, especially a professional boxer weighing up to 147 pounds (67 kg). In January 2015, the World Boxing Council, World Boxing Association and the International Boxing Federation reached an agreement to standardize the names of professional boxing's then 17 weight divisions. In the early nineteenth century, there were no standard weight classes. In most sports that use it, welterweight is heavier than lightweight but lighter than middleweight.

The upper limit was set at 175 lb (79.4 kg).
Welterweight is a weight class in combat sports. Jermell Charlo recovered the super welterweight belt with an eleventh round KO of former champion Tony “Super Bad” Harrison.

The welterweight division in mixed martial arts contains different weight classes : The UFC 's … (The World Boxing Organization has yet to adopt these standard class names.