The welterweight division in

mixed martial arts Mixed martial arts (MMA) is a full-contact fighting combat sport, sport based on strike (attack), striking and grappling; incorporating techniques from various combat sports from around the world. In the early 20th century, various inter-s ...

contains different

weight classes Weight classes are divisions of competition used to match competitors against others of their own size. Weight classes are used in a variety of sports including Rowing (sport), rowing, Weightlifting#Weightlifting sports, weight lifting, and especi ...

: *The

UFC The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promotion company based in Las Vegas, Nevada. It is owned and operated by TKO Group Holdings, a majority owned subsidiary of Endeavor Group Holdings. The larg ...

's welterweight division, which groups competitors within 156 to 170 lb (71 to 77 kg) *The

ONE Championship ONE Championship, formerly ONE Fighting Championship (ONE FC) until January 2015, is a Multinational corporation, multinational combat sports Promoter (entertainment), promotion founded on 14 July 2011 by Chatri Sityodtong and Victor Cui. Origi ...

's welterweight division, with upper limit at

Ambiguity and clarification

Many other sports that use the

welterweight Welterweight is a weight class in combat sports. 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 th ...

class, such as

boxing Boxing is a combat sport and martial art. Taking place in a boxing ring, it involves two people – usually wearing protective equipment, such as boxing glove, protective gloves, hand wraps, and mouthguards – throwing Punch (combat), punch ...

kickboxing Kickboxing ( ) is a full-contact hybrid Martial arts, martial art and Boxing (disambiguation), boxing type based on punch (combat), punching and kicking. Kickboxing originated in the 1950s to 1970s. The fight takes place in a boxing ring, norma ...

, and

Muay Thai Muay Thai or Muaythai (, , ), sometimes referred to as Thai boxing, the Art of Eight Limbs or the Science of Eight Limbs, is a Thai martial art and full-contact combat sport that uses stand-up striking, sweeps, and various clinch fighting, cl ...

, define it as below about 147 lb (67 kg). The MMA welterweight class is therefore significantly heavier than the welterweight class of these other sports. For the sake of uniformity, many

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, p ...

mixed martial arts websites refer to competitors between 156 and 170 lb (71 and 77 kg) as welterweights. This encompasses the Shooto middleweight division (167 lb / 76 kg). The welterweight limit, as defined by the

Nevada State Athletic Commission The Nevada State Athletic Commission (also known as the Nevada Athletic Commission or NSAC) regulates all contests and exhibitions of unarmed combat within the state of Nevada, including licensure and supervision of promoters, boxers, kickboxer ...

and the

Association of Boxing Commissions The Association of Boxing Commissions (ABC) is a North American not-for-profit professional boxing and mixed martial arts (MMA) organization that organizes contests and record-keeping. It is governed by delegates of state, provincial, and tribal ...

is 170 lb (77kg).

Professional Champions

Current champions

This table last updated in June 2025.

Most wins in Welterweight title bouts

:''Note: the list includes wins in bouts for welterweight titles of major promotions (UFC, Strikeforce, WEC, Bellator)'' :''Note: the list includes both undisputed and interim champions'' : Active title reign

Notes

:a.Fight was recorded as a "Majority Decision Draw". Woodley retained his title.

References