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- Ranks show the effects from the addition of recent shows and some old ones.
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We’ve compiled a list of the 10 biggest MMA upsets in recent history. The significance of upsets on this list is measured not by the betting odds, but by the difference in the Fightmatrix.com point standing between the two fighters, normalized for weight class differences.
Interesting to note that with exception of 2 fights, this list is all comprised of heavy and light-heavyweights. Also, Mirko Filipovic, Chuck Liddell, and Mauricio Rua were all victims of huge upsets on more than one occasion.
| Saturday, March 14th 2026: Pancrase - 361 | |||
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| Last Fight Date: 11/09/2025 [Pancrase] Last Opponent: [#32 SW] Tateo Iino Last 5: W W L W W | Last Fight Date: 4/27/2025 [Pancrase] Last Opponent: [#51 SW] Takafumi Ato Last 5: W W W W W | ||
| Friday, March 6th 2026: RIZIN 52 | |||
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| Last Fight Date: 11/02/2025 [Rizin Fighting Federation] Last Opponent: [#1 W105] Seika Izawa Last 5: W L L W L | Last Fight Date: 11/02/2025 [Rizin Fighting Federation] Last Opponent: [NR] Bo Mi Lee Last 5: L W W W W | ||
| Sunday, March 8th 2026: Deep Osaka Impact 2026 1st Round | |||
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| Last Fight Date: 9/15/2025 [DEEP] Last Opponent: [#5 W105] Saori Oshima Last 5: W W W W L | Last Fight Date: 5/25/2025 [DEEP] Last Opponent: [#36 W105] Honoka Shigeta Last 5: L L L W W | ||
| [NR] | Daniel Cormier |   | [NR] | Henry Cejudo |
| [#1 LW] | Ilia Topuria |   | [#1 WW] | Islam Makhachev |
| [#39 LHW] | Aleksandar Ilic |   | [NR] | Conor McGregor |
| [NR] | B.J. Penn |   | [#1 LHW] | Alex Pereira |
| [#20 BW] | Farid Basharat |   | [#26 W135] | Klaudia Sygula |

Here are the odds we dug up for the Griffin/Aurelio match-up:
Tyson Griffin -350 vs. Marcus Aurelio +250
Translated to an implied chance of winning, these odds suggest Griffin has a 78% chance of prevailing in the bout.
As for the FightMatrix points system, the difference between these two fighters is practically nothing.
| Rank | Fighter | Record | Points | |
| 14 | Last Fight: 4/2/2008 [UFC] |
16-5-0 |
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| 15 | Last Fight: 2/2/2008 [UFC] |
11-1-0 |
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We’re not necessarily declaring Aurelio as the winner, but we know a good bet when we see one.

Seven seasons old, and still going strong, The Ultimate Fighter has become somewhat of a farm system for the UFC. This season didn’t produce a very high yield: of the 32 competitors initially appearing on the cast, only seven were scheduled for a bout in the live finale. (One of those scheduled bouts, Tim Credeur vs Cale Yarborough, did not happen as Credeur was banned from competition by Nevada State Athletic Committee due to taking prescription drug Adderall several days prior to the fight.) The rest of the card was mostly filled with UFC veterans, many of whom were in a must-win situation.
Dante Rivera vs Matthew Riddle (185 lbs)
TUF back-story: A friendly rivalry between a veteran Rivera and a rookie Riddle culminated with Rivera claiming he will retire should he lose this fight, and Riddle promising to have a retirement plaque ready to present to Dante after the bout.
The fight itself turns out to be pretty boring, with most of the bout taking place clinched against the fence. Riddle gets a takedown towards the end of every round, and achieves mount on more than one occasion. Ending each round in dominant position is enough to give Riddle the bout, 29-28 on one judge’s scorecard and 30-27 on the other two. I don’t understand the UFC’s reasoning behind starting out the televised broadcast with this bout.
The aftermath: Cooler heads prevail, and the retirement plaque never rears its ugly head. Nevertheless, Rivera is not a UFC caliber fighter. Riddle is very raw and green but shows potential.
Fight grade: 2/5

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This is a pretty big update, affecting just about every division! A few minor shows were missed because the results were not available when I ran the latest update (Invincible, Phoenix Fight, GCM, FX3)

Last week, I examined the top contenders of the UFC’s Welterweight Division. Now, let’s look at the ten highest-ranked welterweights currently competing in other MMA organizations. The first two names on this list, WEC welterweight champion Carlos Condit and his uncrowned Elite XC counterpart Jake Shields, are in a virtual tie – with Condit ahead by mere fractions of a percent due to more recent activity. Both men demonstrated the ability to perform at a very high level, and either could potentialy be ranked in the top five, however with all remaining top ten fighters locked into UFC contracts, Shields and Condit are held back by not being able to fight competitors at or above their level.
The remainder of this list is comprised of veterans who’ve been around the block many times, never quite reaching the top of their weightclass but ready to give any top contender a tough matchup. Several hold championship titles in smaller promotions, and most are familiar faces to American fans, having appeared in the UFC, IFL, and the now defunct BodogFIGHT league. Keep Reading
Fightmatrix.com MMA rankings are now officially recognized by the North American Boxing Council (http://nabc.net/)
A word from the NABC President:
The NABC was the first boxing organization to sanction a MMA title fight when Jessie Chilton defeated Eddie Sanchez at Legends of Fighting 8 in Indianapolis to win the NABC 185lb MMA championship. NABC mixed martial arts championship matches have also been held by California Xtreme Fighting and have been televised on the HDNet cable channel and on Cage Fury Fighting Championships pay per view broadcasts.
The NABC has never charged MMA promoters or fighters for sanctioning title matchs. Our revenue model is based on sponsorships which allows us to bring greater exposure to fighters at no cost to them.
Your creation of an unbiased computerized MMA ratings system which isn’t influenced by promotions or broadcasters is another step to provide exposure to fighters at no cost to them and I’ll help pass the word along that it should be recognized as an official ranking.
Best Regards,
Ed Hutchison
President, NABC
Thanks Mr. Hutchison & NABC!
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Two weeks after their abysmal CBS debut, Elite XC returned with another card – this one broadcast on Showtime. The event featured the first defense of the Elite XC’s newly minted 160 lbs title, with champion KJ Noons taking on the challenger Yves Edwards. Other UFC and Pride FC veterans making an appearance on this card were Murilo ‘Ninja’ Rua, Nick Diaz, and Ron Waterman. The commentary was provided by Mauro Ranallo and Stephen Quadros, as well as former pro-wrestler Bill Goldberg.
In the past week, a major change of guard occurred in the UFC’s storied welterweight division, as the long time former champion Matt Hughes was dismantled and knocked out by Thiago ‘Pitbull’ Alves. With Alves establishing himself as the top contender to the winner of the upcoming title bout between the seemingly unstoppable champion Georges St. Pierre and the challenger Jon Fitch (currently on a record-tying eight win streak in the UFC), it’s a good time to take a step back and look at the current state of the 170 lbs weight class.
Between stars like St. Pierre, veterans such as Hughes & Matt Serra, top contenders like Alves and Fitch, and newcomers such as Dan Hardy & David Baron, UFC has a tight lock on the welterweight division. According to the latest Fightmatrix.com ranking, all of the Top 5, 8 of the Top 10, and 14 of the Top 20 welterweights in the world are currently under UFC contract. The division is so deep that there are over 30 ranked welterweights competing in the UFC today! Here’s a look at the top echelon of the 170 division:
The Champion: [#1] Georges St. Pierre
MMA Record: 16-2 (10-2 UFC)
Last bout: Defeated Matt Serra by TKO at UFC 83
Next bout: A title defense against Jon Fitch at UFC 87
The Canadian superstar has come a long way since earning a decision victory over Karo Parisyan in his Octagon debut. After losing his first title shot to then-champion Matt Hughes, St.Pierre steamrolled his opponents, stopping most in the first or second round. Georges finally received another shot at Hughes, and stopped him in the second round to win his first UFC title. He suffered a setback with an upset loss to Matt Serra in the following bout, but avenged his loss and regained the belt in UFC 83 (the first UFC event held in Canada). St. Pierre will look toward making his first title defense when he takes on Jon Fitch at UFC 87.
Fightmatrix.com MMA ranks archive has been updated with the rankings as of June 1, 2008.
UFC 85 saw a return of Ultimate Fighting Championship to London, England. The event was officially titled ‘Bedlam’, but often referred to as ‘Cursed’ due to all the injuries and mishaps that caused the lineup to change again and again. ‘Bedlam’ was originally scheduled to be headlined by Chuck Liddell taking on Mauricio ‘Shogun’ Rua in a lightheavyweight bout, but first Rua and then Liddell were forced to withdraw from the card: Rua re-aggravated his knee injury and Liddell tore his hamstring in training. Eventually, the UFC settled on a welterweight main event of Matt Hughes vs. Thiago Alves.
Chris Leben was also scheduled to appear on this card, taking on Michael Bisping, but ran into some legal problems that forced him to withdraw and be replaced by the Canadian fighter Jason Day. With all the last-minute lineup changes, no title bouts or huge matchups, and only two weeks after the spectacular UFC 84, this event was pretty much an afterthought and carried fairly low expectations. Here’s how it went down:
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Back by popular demand!
There are quite a few tough calls to make this week. FightMatrix was not created to be a prediction-based system, but its accuracy at the elite level is great, so it should be interesting to see how it fares in match-ups where both fighters are highly ranked. Although, in Bisping/Day and Swick/Davis, we have two fighters who are still getting accustomed to their new divisions. For entertainment purposes only, I have colored the betting favorites in GREEN where odds are available. The system’s calls are on the left.
Welterweight
[#4] Thiago Alves vs. [#6] Matt Hughes
Middleweight
[#22] Jason Day vs. [#31] Michael Bisping
Welterweight
[#15] Mike Swick vs. [#17] Marcus Davis
Heavyweight
[#4] Fabricio Werdum vs. [#20] Brandon Vera
Middleweight
[#9] Nathan Marquardt vs. [#25] Thales Leites
Middleweight
[NR] Martin Kampmann vs. [#57] Jorge Rivera
Lightweight
[#47] Thiago Tavares vs. [#66] Matt Wiman
Light Heavyweight
[#19] Jason Lambert vs. [#165] Luis Cane
Welterweight
[#38] Roan Carneiro vs. [#113] Kevin Burns
Welterweight
[#55] Jess Liaudin vs. [#159] Paul Taylor
Heavyweight
[#48] Eddie Sanchez vs. [#56] Antoni Hardonk
Ranking Note: Gray font represents an approximate ranking. An asterisk represents a fighter who is ranked, but too low for an approximation. These two scenarios will clear up slightly as we move forward. “NR” means the fighter is not ranked, due to inactivity, or due to a rating that is at or below the default starter rating.
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Miguel Torres and Urijah Faber both rocketed up the Division Dominance list due to their quality title defenses. Torres now sits at #4 and Faber at #6. Mike Thomas Brown took the moderately high point total he accumulated at Lightweight back down to a much weaker Featherweight division and ranks as 2nd to Faber. Could we see this match-up in the near future?