Buzzer Beater KO

Last updated: May 12, 2026

What is a buzzer beater KO?

The phrase describes a specific kind of finish: a knockout (or stoppage) timed so close to the end of a round that it could just as easily have come a moment too late. The strike lands, and the opponent goes down with the bell still ringing. A fight that looked headed for the scorecards suddenly ends in dramatic fashion.

Most buzzer beater KOs come at the end of a fight’s final round, when one fighter is trailing on the cards and swings everything into a last exchange. But the term applies to any round. A knockout at 4:58 of round one is a buzzer beater. So is a stoppage with two seconds left in round three of a non-title bout.

Timing matters more than stakes. What makes the finish memorable is the proximity to the bell, the sense that another half-second of survival would have changed everything.

Where the term comes from

The phrase originated in basketball. The Oxford English Dictionary traces “buzzer beater” back to a 1965 newspaper reference, describing a basket scored just before the period-ending buzzer sounds. The term gained traction in the following decades and eventually broadened to other timed sports.

MMA borrowed it from basketball during the modern era of fight promotion, when broadcasters and writers needed a quick way to describe stoppages that landed in the final tick of a round. The word “buzzer” is slightly anachronistic in MMA itself. Fights don’t use buzzers. Most events use a bell or a horn to signal the end of a round, sometimes with a wooden clapper marking the final 10 seconds. The basketball phrasing carried over because it captures the same theatrical urgency.

How it works in MMA

A standard MMA round is five minutes long. Most professional bouts run three rounds. Championship fights and UFC main events are scheduled for five rounds, with a one-minute rest between each. The final 10 seconds of every round are usually marked by a clapper or similar warning sound, alerting both fighters and the referee that time is almost up.

Per the Unified Rules of Mixed Martial Arts, the round officially ends when the bell sounds, and the referee calls time. A buzzer beater KO lands inside that closing window. The strike usually arrives in the last five to ten seconds, and the opponent can’t continue. The finish is legal. It counts as a knockout or technical knockout depending on how the referee classifies it.

Strikes thrown after the referee has stepped in to end the round are illegal and can draw point deductions or disqualification. The line between a legal buzzer beater and an illegal late strike sits with the referee, not with the timekeeper.

Buzzer beater KO vs late-round KO

A late-round KO is any knockout that lands in the final round of a fight. A buzzer beater is a narrower category: only the last few seconds of a round qualify. There is no formal time cutoff defined by the UFC or the Unified Rules, but commentators generally apply the label to finishes within roughly the last 10 seconds.

Feature	Buzzer beater KO	Late-round KO
Timing	Within the last 5–10 seconds of a round	Any time in the final round
Drama level	Extreme; outcome appears settled, then flips	High but more expected
Typical setup	Trailing fighter risks everything on a final exchange	Cardio failure or accumulated damage opens the finish
Rules status	Legal if the strike lands before the referee calls time	Always legal during regulation

The two categories overlap but aren’t interchangeable. Every buzzer beater KO is a late-round KO. Most late-round KOs are not buzzer beaters.

Types of buzzer beater finishes

The “KO” label is the most common, but the same timing pattern shows up across all finish methods.

The classic version is the buzzer beater knockout, where a single strike or short combination renders the opponent unconscious in the final seconds. Max Holloway’s right hand over Justin Gaethje at UFC 300 landed with one second left on the clock in round five. According to CBS Sports, Holloway’s win was just the third in UFC history to end in the final second of a fight, tied with Yair Rodriguez’s back-elbow KO of Chan Sung Jung in 2018.

Buzzer beater TKOs follow the same timing but end via referee stoppage rather than a clean knockout. The fight is waved off because the losing fighter can no longer intelligently defend, even if they aren’t unconscious.

Buzzer beater submissions are rarer, but they happen. Demetrious Johnson locked in an armbar on Kyoji Horiguchi at the 4:59 mark of round five at UFC 186, the latest submission in UFC history. Paul Craig has a similar entry on the books, finishing Magomed Ankalaev by triangle choke in the final second of round three.

Of these, the KO is the version most often labelled “buzzer beater” on highlight reels and broadcast graphics. It’s the most visually arresting, and it’s the one fans tend to remember.

Frequently Asked Questions

How rare is a buzzer beater KO in MMA?

Rare. CBS Sports notes that only three UFC knockouts as of UFC 300 had come in the final second of a fight. End-of-round finishes within the last 10 seconds are more frequent but still uncommon.

Does a buzzer beater count if the strike lands at the same instant as the bell?

Yes, provided the referee has not yet stepped in to call time. Under the Unified Rules, the end of a round is signified by both the bell and the referee’s call of time, so an action that started before either event is still part of the round.

Has a buzzer beater ever been ruled illegal?

Yes. Strikes thrown after the referee has clearly intervened to end the round can be ruled fouls and have drawn point deductions in past UFC events. The Germaine de Randamie vs. Holly Holm fight at UFC 208 is one of the most discussed examples.

What is the latest knockout in UFC history?

The latest KOs are tied at 4:59 of round five. Yair Rodriguez stopped Chan Sung Jung with a back elbow at UFC Fight Night 139 in November 2018, and Max Holloway stopped Justin Gaethje with a right hand at UFC 300 in April 2024. Both finishes left one second on the clock.

Is a buzzer beater always a comeback win?

Not always. Many do come from fighters trailing on the scorecards, which is part of what makes the timing so memorable. Holloway’s UFC 300 finish was a notable exception. He was already winning on the cards and chose to wave Gaethje into the centre of the cage for a final exchange.

---

Sources

1. CBS Sports. “Last-second finishes in UFC history: Where Max Holloway’s stunning KO ranks among the five latest stoppages.” April 15, 2024.
2. ESPN. “Inside Yair Rodriguez’s all-time great knockout of ‘Korean Zombie’.” November 2018.
3. UFC. “Wildest Final Seconds In UFC History.” 2025.
4. Oxford English Dictionary. “buzzer beater, n.” Revised July 2023.
5. Association of Boxing Commissions. “Unified Rules of Mixed Martial Arts.” 2019 revision.
6. Fox News. “Max Holloway levels Justin Gaethje with epic knockout blow in final seconds of UFC 300 fight.” April 14, 2024.
7. Bloody Elbow. “Bruce Buffer blunder and buzzer-beater knockouts kick off the Paramount era at UFC 324.” January 24, 2026.

Related MMA Terms