Cut

Last updated: July 2, 2026

What is a cut in MMA?

A cut is an open wound in the skin, almost always on the face or scalp, opened up by a punch, elbow, knee, kick, or accidental headbutt. Commentators and fans also call it a laceration, which is the medical term you will see on injury reports.

Cuts are the single most common injury in the sport. A study of professional MMA bouts in Nevada by Bledsoe and colleagues, published in the Journal of Sports Science and Medicine, found facial lacerations made up 47.9% of all recorded injuries, ahead of hand injuries at 13.5%. A later review of every UFC bout in Nevada from 2010 to 2020, published in Facial Plastic Surgery & Aesthetic Medicine, put the laceration rate at 12% of all fighters who stepped into the cage.

A cut matters for three reasons. Blood running into a fighter’s eyes can block their vision. Judges score visible damage, so a bleeding face can swing a close round. And if a ringside doctor decides the wound is too dangerous, the fight ends on the spot, recorded as a TKO loss for the cut fighter.

Why fighters cut so easily

The skin over the brow, cheekbone, and scalp sits directly on bone with almost no fat or muscle underneath. When something hard lands there, the skin gets pinched between the striking surface and the skull and splits open.

MMA makes this worse than boxing does. The gloves weigh 4 ounces, half or less of what boxers wear in competition, so there is less padding spreading the impact, and elbows are legal. An elbow has a narrow, bony edge that slices skin far more readily than a gloved fist. Veteran cutman Jacob “Stitch” Duran, who worked corners for both sports, told ESPN that boxing allows preventative maintenance while in MMA cuts are close to guaranteed, with multiple wounds on the same fighter being common.

Scar tissue adds up over a career. Skin that has split before heals with collagen-rich tissue that tears more easily than healthy skin, which is why fighters like Nate Diaz, cut many times around the brows, tend to bleed early in fights.

Where cuts happen

The most common sites are the thin-skinned, bony areas of the head. The eyebrow ridge and the skin around the eye are cut most often, followed by the cheekbone, the bridge of the nose, the scalp, and the inside of the mouth.

Location changes how serious a cut is. Ringside physician Dr. Margaret Goodman explained to ESPN that a wound’s position is the most decisive factor in whether a fight continues. A cut on the forehead can bleed heavily yet pose little danger, while a smaller cut on the eyelid or one running vertically toward the eye can end a fight because of the risk to the eye itself.

When a cut stops a fight

A referee who spots a bad laceration can pause the action at a safe moment and bring in the ringside physician. Under the Unified Rules of MMA, the doctor has the final say on whether the fighter continues. If the answer is no, the bout ends as a TKO by doctor stoppage.

Doctors weigh several factors: how deep and wide the cut is, whether it sits near or over the eye, whether blood is impairing vision, and whether the bleeding can be controlled. Sports medicine physician Dr. Brian Sutterer noted after UFC 244 that the amount of blood is a poor guide to severity, since a shallow scalp wound can pour while a deep, dangerous cut may barely drip. That UFC 244 main event is the best-known example: Jorge Masvidal beat Nate Diaz when the doctor halted the fight after round three over lacerations around Diaz’s right eye.

The cause of the cut changes the result. A cut from a legal strike that ends the fight is a TKO win for the opponent. If an accidental headbutt opens the wound, the bout becomes a no contest or goes to the scorecards as a technical decision, depending on how many rounds were completed.

Fight-ending cuts are rarer than fans assume. An analysis presented through Nova Southeastern University found doctor stoppages accounted for roughly 1.09% of all stoppage wins in professional MMA.

Cut vs. swelling

New fans often lump cuts and swelling together because both come from the same strikes. They are different injuries, and doctors treat them differently.

	Cut (laceration)	Swelling (hematoma)
What it is	Skin split open	Bleeding trapped under intact skin
Visible sign	Flowing blood	Raised lump or shut eye
Main danger	Blood in the eyes, deep tissue damage	Eye swelling shut, blocking vision
Corner treatment	Pressure, coagulant, petroleum jelly	Cold metal enswell, ice
Aftercare	Stitches	Usually resolves on its own

A fight can be stopped for either one. Brian Ortega’s loss to Max Holloway at UFC 231 was called off after the fourth round with his eye swollen nearly shut, rather than from an open cut.

How cutmen treat cuts between rounds

Every corner in a major promotion includes a cutman, a specialist whose job is controlling bleeding and swelling in the 60-second break between rounds. Recognizing what they are doing makes fight broadcasts easier to follow.

The core of the job is cold, direct pressure, which compresses blood vessels and lets a clot start forming. Cutmen also press a cotton swab soaked in epinephrine (adrenaline in a 1:1000 solution) into the wound to constrict the vessels, and may pack in a collagen-based coagulant powder such as Avitene to speed clotting. Before the fighter goes back out, a layer of petroleum jelly goes over the area so gloves slide off the skin instead of tearing it further.

If the bleeding cannot be slowed across a round or two, the doctor usually steps in. After the fight, cuts get stitched, and athletic commissions typically issue a medical suspension that keeps the fighter out of competition, often for a month or more, until the wound heals.

Frequently Asked Questions

Does losing to a cut count as a real loss?

Yes. A doctor stoppage for a laceration is recorded as a TKO loss on the fighter’s official record, the same as a referee stoppage from strikes.

Why is the blood not cleaned off the canvas during a fight?

Wiping the canvas mid-round would interrupt the action, and the break between rounds is only 60 seconds. Crews mop the mat between bouts instead.

Do cuts affect the judges’ scoring?

Indirectly. Judges score effective striking and damage, and a bleeding wound is visible evidence a strike landed with force, so cuts often influence close rounds.

Why do elbows cause more cuts than punches?

An elbow strike lands with a hard, narrow ridge of bone, while a punch lands through a padded glove. The concentrated edge splits thin facial skin much more easily.

Can a fighter keep fighting with blood in their eyes?

Referees will pause the action if blood is blinding a fighter and have the corner or doctor clear it. Referee John McCarthy has described blood in the eyes as thick and hard to blink away.

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Sources

1. Bledsoe, G.H. et al. “Incidence of Injury in Professional Mixed Martial Arts Competitions.” Journal of Sports Science and Medicine.
   https://pmc.ncbi.nlm.nih.gov/articles/PMC3863915/. Accessed July 2026.
2. Jones, A.J. et al. “Characteristics of Facial Trauma in Professional Mixed Martial Arts.” Facial Plastic Surgery & Aesthetic Medicine.
   https://journals.sagepub.com/doi/10.1089/fpsam.2022.0097. Accessed July 2026.
3. ESPN. “When fighters compete, there will be blood.”
   https://www.espn.com/extra/mma/news/story?id=3321895. Accessed July 2026.
4. ESPN The Magazine. “MMA: How to stop the bleeding.”
   https://www.espn.com/mma/story/_/id/9630587/ufc-cut-men-benefit-medical-advances-stop-bleeding-espn-magazine. Accessed July 2026.
5. Nova Southeastern University. “Analysis of Ringside Physician Stoppages in Professional MMA.”
   https://nsuworks.nova.edu/cgi/viewcontent.cgi?article=2788&context=ijahsp. Accessed July 2026.
6. MMA News. “UFC 244 Doctor’s Stoppage Explained.”
   https://www.mmanews.com/2019/11/ufc-244-doctors-stoppage-explained/. Accessed July 2026.
7. Wikipedia. “Cutman.”
   https://en.wikipedia.org/wiki/Cutman. Accessed July 2026.

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