Last updated: May 25, 2026
Quick Definition
A slap is an open-handed strike delivered with the palm of the hand, usually to an opponent’s face or head. In MMA, it is a legal but uncommon strike, valued more for its psychological effect than its power. Outside the cage, the same motion drives slap fighting, a separate combat sport.
What is a slap?
A slap is the simplest hand strike in combat sports: a flat, open-palm blow that lands across the face or side of the head. Power comes from arm swing and shoulder rotation rather than the closed-fist mechanics of a punch. Because the impact is distributed across the full palm and fingers rather than concentrated through the knuckles, a slap transfers less force per square inch than a comparable punch.
In MMA, the slap occupies an unusual space. It is legal under the Unified Rules of MMA, but it carries less knockout potential than orthodox striking and is rarely thrown to inflict damage. Most fighters use it as a setup tool, a taunt, or a psychological pressure move. In slap fighting, the same technique is the entire sport: competitors take turns slapping each other in the face, with no defense permitted.
The distinction matters because the word “slap” can point to either context. Inside an MMA fight, a slap is one option among dozens of legal strikes a fighter can choose to throw. Inside Power Slap, it is the only legal strike.
Are slaps legal in MMA?
Yes. The Unified Rules of MMA, the standardized ruleset used by the UFC, PFL, ONE Championship, and most regulated promotions, prohibit specific hand techniques such as eye gouges, fish-hooking, and strikes to the throat. Open-handed strikes to legal target areas, including slaps, are not on that list. A fighter can throw a slap in the same way they can throw a punch, hammer fist, or palm strike.
In practice, slaps are uncommon in professional MMA because punches generate more force. Where they appear, it is usually for one of three reasons: as a humiliation tactic (most associated with the Diaz brothers), as a measuring or range-finding tool to bait a reaction, or as a non-committal strike thrown from awkward positions where a proper punch is not available.
Open-palm pushes to the face, sometimes used to control distance, are also legal and are distinct from the slap. Jon Jones is one of the most prominent users of the open-palm push to disrupt forward pressure from opponents.
The Stockton Slap
The Stockton Slap is the most recognized named variant of the slap in MMA. The technique is a hard, open-palm strike thrown across the face, typically followed by a taunt or gesture aimed at the opponent. It is named after Stockton, California, the hometown of Nick and Nate Diaz, who built much of their public identity around the move.
Nick Diaz introduced the Stockton Slap to a UFC audience at UFC 47 on April 2, 2004, in his fight against Robbie Lawler. The slap landed early in the bout, was briefly remarked on by the broadcast team, and was then overshadowed by Diaz winning the fight by second-round knockout. The move became one of the defining signatures of the Diaz brothers across their UFC careers.
The Stockton Slap is rarely thrown to score damage. Its purpose is provocation, designed to break an opponent’s composure rather than hurt them. Nate Diaz has used it in high-profile fights against opponents including Conor McGregor, Michael Johnson, and Leon Edwards.
Slap vs. punch
The clearest way to understand the slap in MMA is by contrasting it with the punch, the strike it most closely resembles in motion.
| Aspect | Slap | Punch |
|---|---|---|
| Hand position | Open palm, fingers extended | Closed fist |
| Striking surface | Flat palm and fingers | Knuckles |
| Force distribution | Spread across the palm | Concentrated through the knuckles |
| Typical damage | Low to moderate | Moderate to high |
| Common use in MMA | Taunt, setup, range-finder | Primary striking weapon |
| Risk to the striker | Low, hand is unlikely to break | Higher, broken hands are common |
| Legality | Legal | Legal |
The trade-off is straightforward. A punch hits harder. A slap protects the hand and carries a tactical weight that a punch does not, since being slapped in front of a crowd is widely understood as an insult rather than a fighting blow. Fighters who use slaps consistently are usually trying to bait an emotional reaction.
The slap in slap fighting
Outside MMA, the slap is the defining strike of slap fighting, the separate combat sport popularized by the Power Slap League. In that format, two competitors face each other across a podium and take turns delivering full-power open-handed strikes to the face, with no defense allowed.
Power Slap defines a permitted slap in detail: the strike must be flat, open-handed, and land on the palmar side of the hand against the cheek above the chin. Strikes below the chin, with the heel of the hand, or with a cupped shape are fouls. The rules were drafted to match the Unified Rules of MMA and approved by the Nevada State Athletic Commission in 2022.
Slap fighting borrows its weight classes and scoring framework from MMA, but it is not part of MMA. A fighter competing in Power Slap is not competing in MMA, and a slap thrown inside the UFC cage is not a slap fighting strike. The connection between the two sports comes through Dana White, who runs both Power Slap and the UFC.
Frequently Asked Questions
Are slaps allowed in the UFC?
Yes. The Unified Rules of MMA permit open-handed strikes, including slaps. Only specific techniques such as eye gouges, fish-hooking, and strikes to the throat are prohibited.
What is the Stockton Slap?
The Stockton Slap is an open-palm strike popularized by Nick and Nate Diaz, both from Stockton, California. It is typically thrown to provoke rather than damage, often followed by a taunt.
Who invented the Stockton Slap?
Nick Diaz introduced it to a UFC audience at UFC 47 in April 2004 against Robbie Lawler. Nate Diaz later used the same technique throughout his career and brought it to wider attention.
Is the slap in MMA the same as the slap in Power Slap?
The motion is identical. The context is not. In MMA, the slap is one of many legal strikes inside a full combat sport. In Power Slap, it is the only legal strike, and the receiver is not allowed to defend.
Why do MMA fighters slap instead of punch?
Slaps are usually thrown to humiliate or provoke an opponent rather than to damage them. They also carry less risk of a broken hand than a closed-fist punch.
Can a slap knock someone out?
Yes, though it is uncommon in MMA. In slap fighting, knockouts from single slaps are a regular outcome because the defender cannot move or block.
Sources
- Unified Rules of Mixed Martial Arts. Association of Boxing Commissions and Combative Sports.
- UFC. “Fighting Has Defined Nick Diaz’s Life.” ufc.com, 2021.
- ESPN. “UFC 266: A timeline of 17 long, turbulent years since Nick Diaz vs. Robbie Lawler 1.” espn.com, 2021.
- Vice Fightland. “The Stockton Slap: Why Slapping Is the New Punching.” vice.com.
- Power Slap. “Official Rules.” powerslap.com.
- Associated Press. “What’s a legal slap? Slap fight league regulators try to make matches safer.” 2023.
- Nevada State Athletic Commission. “Slap Fighting Determination.” October 18, 2022.
- Wikipedia. “Slapping (strike).” en.wikipedia.org.
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