A professional MMA competitor since the early 2000s, Peter’s journey began in 2001 and soon saw him stepping into the cage on regional shows, including his pro debut on Cage Warriors 4.
His competitive decade spanned MMA, Muay Thai, K‑1 kickboxing, BJJ, Judo and submission wrestling, giving him an extraordinarily well‑rounded foundation in striking and grappling arts.
Peter’s competitive record includes:
2× Strike & Submit British MMA Champion
2× Strike & Submit European MMA Champion
3× Xth Legion European MMA Champion
Wins over elite opponents including UFC veteran Reza Madadi, M‑1 World champion Daniel Weichel, top Cage Warriors competitors and other seasoned pros.
He also excelled under K‑1/Muay Thai rules, capturing titles such as:
UCMMA UK‑1 Welterweight Champion
XFS Super Middleweight Champion
ICO Super Middleweight British Champion
complementing his grappling success with elite stand‑up performance.
Peter dedicated two years to Brazil early in his career, training under legendary figures in Brazilian Jiu‑Jitsu and Vale‑Tudo competition — competing in the Copa do Brasil and the IBJJF World Championships (Mundials) and refining his game inside and outside the gi.
Peter’s credentials also include prestigious ranks in multiple disciplines:
Black Belt in Brazilian Jiu‑Jitsu under World Champion Leo Negao
Black Belt in Chinese Boxing under Alan Orr
3rd Degree Black Belt in Chinese San Da — reflecting the breadth of his striking and grappling expertise.
Head Coach & MMA Educator
After retiring from full‑time competition, Peter transitioned to full‑time coaching. He is the Founder and Head Coach of Newcastle Fight Centre and oversees the Team Crezio Jiu‑Jitsu network in the UK, helping students and fighters develop as martial artists across striking, grappling and MMA rule sets.
He is widely respected for his ability to integrate wrestling, Brazilian Jiu‑Jitsu and striking into complete MMA systems — coaching fighters to corner them in world‑level promotions including UFC, Bellator, Cage Warriors, Glory, It’s Showtime, Enfusion and KSW.
Peter regularly delivers seminars across Europe, Brazil and New Zealand, sharing his cage‑tested strategies, grappling systems and MMA transition frameworks with students and coaches globally.
Instructional Content on Warrior Collective
📘 Peter Irving Instructional Series: MMA, Grappling & Cage Craft
Peter’s work on Warrior Collective captures his hard‑earned combat knowledge in structured, practical training volumes trusted by fighters and coaches worldwide:
MMA Training – Cage Craft for Dominating Fights
In this foundational volume, Peter outlines his elite cage‑control systems, including lines of defence, defending and reversing takedowns, wrestling counters to strikes, clinch fighting, working off the cage wall, effective body locks, and takedown entries and counters — all tailored to high‑level MMA competition.
Jiu Jitsu for MMA – Adapting Grappling for the Cage
This instructional focuses on adapting traditional BJJ for the unique demands of MMA. Peter teaches solo training drills, MMA‑specific ukemi, guard systems for strikes and submissions, effective back control, leg rides and pins, hand trapping and dominating the mount with striking integrated into positional control.
Each volume presents step‑by‑step frameworks, drill progressions and high‑percentage systems that bridge sport BJJ and striking arts into complete MMA‑ready grappling and cage management strategies.