UFC Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-08-24 · 25 entries checked · 17 flagged · 31 issues confirmed · 17 corrected · 14 still open

Recent findings (audit lane, verbatim)

UFC 3 — The entry states Jennum's background was in shoot wrestling, but Steve Jennum was primarily a judo practitioner and a police officer, not known for shoot wrestling.

UFC 3 — The tagline says 'Jennum submits Howard,' but Jennum did not submit Howard; Howard won the final by TKO.

UFC 14 — The main event of UFC 14 was Mark Coleman vs. Maurice Smith for the Heavyweight Championship, not a heavyweight tournament final; the entry incorrectly describes it as a tournament final and also falsely includes Ken Shamrock as a main event fighter or partici

UFC 14 — The entry claims a fight between Ken Shamrock and Mark Coleman occurred at UFC 14, but no such fight took place; Shamrock was not on the card.

The Gracie / Ruffalo Founding (1993–2001) — The era is called 'The Gracie / Ruffalo Founding' but there is no known figure named 'Ruffalo' associated with the founding of the UFC; the correct founders are Art Davie and Rorion Gracie.

The Gracie / Ruffalo Founding (1993–2001) — The tagline and lore claim 'no rules' or 'almost no rules,' but early UFC events did have rules (e.g., no biting, no eye gouging), so this is an exaggeration that contradicts established canon.

The Weight-Class Revolution (2002–2005) — The LORE section incorrectly states that the first title clash between Chuck Liddell and Tito Ortiz was at UFC 47 in 2004; that fight was a non-title bout, and their first title fight was at UFC 66 in 2006.

The No-Rules Era (1993–1997) — The transition point states that the Unified Rules of MMA were officially adopted in 2001 by the New Jersey State Athletic Control Board, and that UFC 28 (2000) was the first event under those rules. This is contradictory: UFC 28 cannot be the first event unde

The No-Rules Era (1993–1997) — The DID YOU KNOW section claims that 'UFC 12 (1997) was the last event under the old format, and UFC 13 (also 1997) was the first under the Unified Rules of Mixed Martial Arts.' This is incorrect because the Unified Rules were not adopted until 2001; UFC 13 in

The Dana White Era (2001–present) — Dana White was not named president until February 2001, not immediately after Zuffa's purchase in January 2001.

UFC Middleweight Championship — Chris Weidman is listed as having 2 title reigns, but he only had 1 reign as UFC Middleweight Champion.

UFC Light Heavyweight Championship — Jon Jones has 3 reigns as UFC Light Heavyweight Champion, not 2

UFC Light Heavyweight Championship — Chuck Liddell's two reigns were consecutive, not in distinct non-consecutive eras

Open data

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Corrections

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