Damage Scoring

Last updated: July 2, 2026

What is damage scoring in MMA?

Judges do not score effort in MMA. They score effect, and damage scoring is how the rules capture that. Under the judging criteria approved by the Association of Boxing Commissions and Combative Sports (ABC) in 2025, damage sits at the top of three prioritized concepts that a minimum of three judges use to assess each round, ahead of dominance and duration.

The ABC values damage above everything else because it is not an action but a result. A fighter can throw 40 punches in a round, and if none of them change anything, they count for little on a scorecard built around the effect of offense rather than the offense itself. One counter that buckles the legs can outweigh all 40.

Fans run into damage scoring constantly without knowing its formal definition. When a commentator says a fighter is “winning on damage,” or a scorecard debate erupts after a close decision, this is the system being argued about.

What counts as damage on the scorecards

The 2025 criteria spell out six specific things judges treat as damage. All of them must come from legal techniques, and none of them require a fighter to be bleeding.

Category	What the judge is looking for
Knockdowns	The opponent is forced to the canvas by legal strikes
Heavy or concussive strikes	Hard legal blows to vital targets, whether or not they leave a mark
Forced retreat	Strikes that push the opponent into pure defense, retreating or readjusting
Visible injury	Swelling, hematomas (blood pooling under the skin), lacerations, or bruising from striking or grappling
Joint damage	Grappling or submission attempts that hyperextend or rotate joints
Choke distress	Chokes that cause visible distress

The rules also separate immediate damage from cumulative damage. A knockdown in the final minute is immediate, while an opponent slowly losing energy, confidence, and stamina across five minutes of grinding offense is cumulative. Both count. Judges give priority to immediate damage within a round.

Defense, by contrast, is never scored. A fighter who slips every punch but lands nothing wins nothing on the scorecards, because the criteria only credit offense.

Damage vs. dominance, duration, and control

Fans often argue about whether control time wins rounds. Under the current criteria, the answer is: only in service of damage. Dominance and duration, the other two scoring concepts, are both defined with damage as their end goal.

Criterion	What it measures	Weight in scoring
Damage	The result: reduced capacity or will to compete	Highest, decides most rounds
Dominance	Sustained supremacy of position, action, or volume intended to produce damage	Supports the damage assessment
Duration	How long one fighter spent imposing dominance or administering damage	Supports the damage assessment
Aggressiveness	Consistent offensive effort	Tiebreaker only
Fighting area control	Dictating the pace, place, and position of the bout	Tiebreaker only

The rules are explicit that merely holding a dominant position does not demonstrate dominance in a round. A fighter who pins an opponent against the fence for three minutes without hurting them has controlled the fight without damaging anyone, and the criteria treat that as close to nothing.

Aggressiveness and fighting area control only enter the picture when a judge cannot find even a marginal advantage in successful striking and grappling. Under the older 2017 criteria, judges worked through those two backups in a fixed order; since 2025, they simply use whichever one affected the round more.

How damage decides 10-8 rounds

The clearest practical effect of damage scoring shows up in lopsided rounds. MMA uses the 10-point must system, in which the round winner receives 10 points and the loser 9 or fewer, and the gap between 10-9 and 10-8 can swing an entire fight.

Under the 2025 rules, significant damage is enough by itself to award a 10-8. The reverse is not true: significant domination without damage, such as pure positional control, cannot earn one. Combat Sports Law, which tracked the rule change, noted that dominance and duration together are no longer sufficient for a 10-8 without damage.

A 10-7, the rarest score on any card, requires a fighter to overwhelm the opponent in both damage and domination for the entire round.

How damage scoring became official

For most of MMA history, the rules avoided the word entirely. A 2016 ABC committee proposal built its new criteria around damage, and the membership passed that year’s rules overhaul by a 42-1 vote, according to Fighters Only. But the word itself was swapped for “impact” before the rules took effect on January 1, 2017, per the Global Combat Alliance, because some commissions objected to language that sounded like the sport’s goal was hurting people.

The 2025 revision, developed by a committee that included veteran officials John McCarthy and Marc Goddard under California commission executive Andy Foster’s chairmanship, put the word back. BVM Sports counted damage mentioned 17 times in the new judging rules, against once in the 2016-era guidelines.

The Unified Rules themselves date to July 30, 2009, when the ABC adopted them, per UFC.com, though the UFC had followed a version since 2000. As with every rules update, individual state and provincial commissions adopt the new criteria on their own timelines, so scoring language can differ slightly by jurisdiction.

Frequently Asked Questions

Does the fighter who lands more strikes win the round?

No. Judges score the effect of strikes, not the count. A single strike that hurts an opponent can outweigh a higher volume of light strikes that change nothing.

Is a takedown automatically damage?

No. A takedown only matters if it produces damage, a submission threat, or an advantageous position. Grappling is scored by its results, the same as striking.

Do judges score defense?

No. The criteria state that defense allows a fighter to continue in the fight but is never scored. Only offensive actions count.

Do all commissions use damage scoring?

Damage has shaped scoring for years, but the explicit 2025 criteria are adopted by each athletic commission on its own schedule, so timing varies by jurisdiction.

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Sources

1. Association of Boxing Commissions and Combative Sports. “MMA Bout Scoring – Judging Criteria Clarification.”
   https://www.abcboxing.com/wp-content/uploads/2025/08/ABC-MMA-Scoring-Criteira-Clarification-7.2025.pdf. Accessed July 2026.
2. Combat Sports Law. “Damage! Brand New MMA Judging Criteria Approved.”
   https://combatsportslaw.com/2025/08/06/damage-brand-new-mma-judging-criteria-approved/. Accessed July 2026.
3. Combat Sports Law. “Damage, Damage, Damage. New MMA Rules To Tell it Like it Is.”
   https://combatsportslaw.com/2016/07/21/damage-damage-damage-new-mma-rules-to-tell-it-like-it-is/. Accessed July 2026.
4. Yahoo Sports. “CSAC’s Andy Foster explains shake-up to MMA scoring criteria.”
   https://sports.yahoo.com/mma/article/csacs-andy-foster-explains-shake-up-to-mma-scoring-criteria-potential-for-future-rule-changes-223314290.html. Accessed July 2026.
5. BVM Sports. “New judging criteria approved for MMA’s unified rules.”
   https://bvmsports.com/2025/08/07/new-judging-criteria-approved-for-mmas-unified-rules/. Accessed July 2026.
6. Fighters Only. “Unified Rules of MMA: Changes explained.”
   https://fightersonly.com/article/ext/60657/The+MMA+Biz/1. Accessed July 2026.
7. Global Combat Alliance. “Revised Unified Rules and Judging Criteria.”
   https://gcafights.com/revised-unified-rules-and-judging-criteria/. Accessed July 2026.
8. UFC. “Unified Rules of Mixed Martial Arts.”
   https://www.ufc.com/unified-rules-mixed-martial-arts. Accessed July 2026.

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