The Greatest Fighters of All Time, Ranked
Rank the greatest boxers and MMA fighters head-to-head, Ali vs Tyson and Khabib vs Georges St-Pierre, then compare your list with the community ranking. Early results (n = 27): too few finished brackets to call a leader yet. Your first pick is right here. No sign-up.
Size
Ronda RouseyMMA - UFC Bantamweight
Sugar Ray RobinsonBoxing - Middleweight
Tap a poster to make your pick. Crowd numbers appear after you choose.
Combat Sports Fighters: early results
Early results (n = 27). Win rate across 405 head-to-head picks from 27 finished brackets. n is the number of matchups behind each win rate; only entrants with 30 or more are listed.
| # | Fighter | W–L | Win rate | vs .500 | Titles | n |
|---|---|---|---|---|---|---|
| 1 | Jon JonesMMA - UFC Heavyweight | 62–18 | 77.5% | 9 | 80 | |
| 2 | Muhammad AliBoxing - Heavyweight | 49–22 | 69% | 5 | 71 | |
| 3 | Mike TysonBoxing - Heavyweight | 45–23 | 66.2% | 4 | 68 | |
| 4 | Georges St-PierreMMA - UFC Welterweight | 40–24 | 62.5% | 3 | 64 | |
| 5 | Bruce LeeMartial Arts Legend | 32–25 | 56.1% | 2 | 57 | |
| 6 | Floyd Mayweather Jr.Boxing - Welterweight | 31–25 | 55.4% | 2 | 56 | |
| 7 | Khabib NurmagomedovMMA - UFC Lightweight | 27–27 | 50% | 0 | 54 | |
| 8 | Manny PacquiaoBoxing - Multi-weight | 21–27 | 43.8% | 0 | 48 |
Combat Sports Fighters: an early tier list
Early results (n = 27) Too few finished brackets to call yet; the tiers settle as more people play. Placed by win rate, steadied toward 50% for entrants with few matchups: S is 75% or more, A 60%, B 50%, C 40%, D 25%.
Stier, win rate 75% or more
- Nobody yet
Atier, win rate 60% or more
- Jon Jones
- Muhammad Ali
- Mike Tyson
- Georges St-Pierre
Btier, win rate 50% or more
- Bruce Lee
- Floyd Mayweather Jr.
- Khabib Nurmagomedov
Ctier, win rate 40% or more
- Manny Pacquiao
- Conor McGregor
- Anderson Silva
Dtier, win rate 25% or more
- Sugar Ray Robinson
- Sugar Ray Leonard
- Amanda Nunes
- Lennox Lewis
- Canelo Alvarez
Ftier, win rate 0% or more
- Ronda Rousey
How the Combat Sports Fighters bracket works
This fighter ranking is played, not dragged into rows. You get one matchup at a time — Muhammad Ali or Mike Tyson? Floyd Mayweather Jr. or Manny Pacquiao? — and after 15 picks the bracket has a champion, with everything else placed by how far it got. A straight list invites you to hedge. A matchup does not, and that is what makes the final 16-deep order worth screenshotting.
This bracket runs 4 rounds at the default 16-slot size (Round of 16, Quarterfinals, Semifinals, Final), with every one of the 16 contenders in the field. Everyone gets the same draw on a given day, so you can compare runs with friends; New draw gives you a genuinely different bracket rather than the same path twice. You can also play it at 8 slots for a shorter or longer run.
15 picks, 4 rounds
- Round of 168 matchups
- Quarterfinals4 matchups
- Semifinals2 matchups
- Final1 matchup
Roughly 1-2 minutes start to finish at the default size.
All 16 entrants
All 16 entrants are listed below, including Muhammad Ali, Mike Tyson, Floyd Mayweather Jr. and Manny Pacquiao. Updated
- Muhammad AliBoxing - Heavyweight
- Mike TysonBoxing - HeavyweightPhoto: Super Festivals / Wikimedia Commons · CC BY 2.0
- Floyd Mayweather Jr.Boxing - WelterweightPhoto: DEWALT POWER TOOLS FIGHT NIGHT CLUB 2010 / Wikimedia Commons · CC BY-SA 2.0
- Manny PacquiaoBoxing - Multi-weight
- Conor McGregorMMA - UFC
- Khabib NurmagomedovMMA - UFC LightweightPhoto: Airotcivss / Wikimedia Commons · CC BY-SA 4.0
- Anderson SilvaMMA - UFC MiddleweightPhoto: Conselho Nacional do Ministério Público CNMP / Wikimedia Commons · CC BY 3.0
- Georges St-PierreMMA - UFC WelterweightPhoto: Web Summit / Wikimedia Commons · CC BY 2.0
- Jon JonesMMA - UFC HeavyweightPhoto: Senate Democrats / Wikimedia Commons · CC BY 2.0
- Sugar Ray LeonardBoxing - WelterweightPhoto: Kingkongphoto & www.celebrity-photos.com / Wikimedia Commons · CC BY-SA 2.0
- Canelo AlvarezBoxing - Super MiddleweightPhoto: Box Azteca / Wikimedia Commons · CC BY 3.0
- Lennox LewisBoxing - HeavyweightPhoto: -nikkon- / Wikimedia Commons · CC BY-SA 2.0
- Ronda RouseyMMA - UFC BantamweightPhoto: Shared Account / Wikimedia Commons · CC BY-SA 2.0
- Amanda NunesMMA - UFC BantamweightPhoto: MMAnytt / Wikimedia Commons · CC BY 3.0
- Sugar Ray RobinsonBoxing - Middleweight
- Bruce LeeMartial Arts Legend
Tier list instead?
Load all 16 into the tier list maker and sort them into S through F yourself: same entrants, no matchups.
Open the tier list makerMissing something?
Build your own fighter bracket with exactly the entrants you want, then share the link.
Open the bracket makerGetting a ranking you actually agree with
- Decide your criteria before you start — peak, longevity or trophies — and hold to it all the way through.
- The default run puts all 16 contenders in the draw. Short on time? Drop to 8 slots — a quicker run over a random 8 of them.
- If a matchup genuinely splits you, undo and replay it — a coin-flip pick in round one distorts everything below it.
Questions people ask
How many contenders are in the Combat Sports Fighters bracket?
The pool holds 16 contenders. A default run puts all of them in the draw and takes 15 picks across 4 rounds: Round of 16, Quarterfinals, Semifinals, Final. Other field sizes are available too — 8, 16 slots.
Which contenders are included?
Muhammad Ali, Mike Tyson, Floyd Mayweather Jr., Manny Pacquiao, Conor McGregor, Khabib Nurmagomedov, Anderson Silva, Georges St-Pierre, Jon Jones, Sugar Ray Leonard, Canelo Alvarez and Lennox Lewis, plus 4 more. Every entrant is listed further down this page with its artwork.
How long does the Combat Sports Fighters bracket take?
About 1-2 minutes — 15 choices at the default size, or 7 if you drop to an 8-slot bracket. It works the same on a phone as on a desktop, no login is involved, and progress saves as you go.
How does this compare to a drag-and-drop tier list maker?
Both are here, and the bracket is closer to a tier list than it looks. It ends with a champion, a runner-up and then every other contender grouped by the round it went out in — which is exactly a set of tiers, decided by 15 direct comparisons rather than by your first guess at a layout. What it deliberately does not do is claim a precise gap between two contenders that never met. If you would rather place the contenders into S through F rows yourself, the tier list maker loads all 16 of them at bracketranker.com/tier-list-maker.
How did everyone else rank these contenders?
Every completed bracket feeds the Combat Sports Fighters community results page, which aggregates win rates across all plays and tracks how often each of the 16 entrants takes the title. It updates continuously, so it moves as more people play.
Can I build my own combat sports fighters bracket?
Use the bracket maker: add your own contenders, name it, and share the link so other people play the same field. That is the route to take when this pool of 16 is missing something you would have picked, or when you want a version scoped to one era, label or franchise.