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Full Breakdown

Conor McGregor’s ACL and Meniscus Tear Halts UFC 329 Rematch with Max Holloway

7/20/2026, 12:15:55 AM

Core Event

At UFC 329 in Las Vegas, former two-division champion Conor McGregor faced Max Holloway in a highly anticipated rematch. The bout ended after 69 seconds when McGregor attempted a jumping switch kick, landed awkwardly on his right leg, and could not bear weight. Referee Mike Beltran stopped the fight, awarding Holloway a TKO victory. Medical evaluation confirmed a torn anterior cruciate ligament (ACL) and meniscus damage in McGregor’s right knee.

Background & Context

McGregor’s return followed a five-year hiatus from the Octagon. He previously suffered a broken leg in his July 2021 trilogy bout with Dustin Poirier and an ACL injury in his 2013 first meeting with Holloway, which required 11 months of rehabilitation. The 2024 fight marked his first appearance since those setbacks and was slated as the final fight of his current UFC contract.

Key Figures & Groups

  • Conor McGregor – Irish fighter, former UFC featherweight and lightweight champion.
  • Max Holloway – Current UFC featherweight champion, opponent in both 2013 and 2024 bouts.
  • John Kavanagh – McGregor’s longtime coach, who noted the jumping switch kick was drilled throughout camp.
  • Mike Beltran – Referee who halted the contest.
  • Dana White – UFC president, commenting on McGregor’s recovery prospects.

Timeline

  • 2013 – First McGregor-Holloway fight; McGregor tears ACL in left knee.
  • June 2024 (UFC 329) – Rematch with Holloway; injury occurs within the opening minute.
  • Summer 2025 (target) – McGregor projects a return to competition, aiming to fulfill the final fight of his contract.

Data & Statistics

  • Injuries confirmed: ACL tear and meniscus damage in the right knee.
  • Prior recovery benchmark: McGregor returned to competition within 9 months after his 2013 ACL injury.

Why It Matters / Impact

The injury postpones what many view as a potential trilogy with Holloway and delays the conclusion of McGregor’s current UFC agreement. His marketability and the promotion’s event planning hinge on his ability to recover within the projected timeline. Additionally, the setback underscores the physical toll of returning after multiple severe injuries.

Official Statements & Responses

McGregor posted an extensive update on his X account, stating the injury mirrors his 2013 ACL tear but involves the opposite leg. He emphasized that regenerative-medicine advances and disciplined training allow him to walk without a crutch and perform leg-extension work without pain, expressing optimism about a summer 2025 return. Coach John Kavanagh confirmed the kick was a planned technique and noted McGregor left the arena immediately after the stoppage. UFC president Dana White declined to speculate on a future Holloway trilogy, stressing that McGregor must undergo surgery and complete rehabilitation before any further matchmaking.

Criticism & Opposition

White also highlighted McGregor’s age and prolonged inactivity, remarking, “You’re older, you haven’t fought in five years and Father Time is undefeated.” The comment reflects broader skepticism about the fighter’s ability to compete at elite levels after repeated injuries.

On-the-Ground Reports

Eyewitnesses described McGregor’s right knee buckling as soon as he landed the jumping switch kick. He attempted to stand, could not place weight on the leg, and signaled to the referee that he could not continue. He exited the arena directly into a waiting vehicle, bypassing the locker room.

Conflicting Reports & Gaps

All sources concur on the nature of the injury (ACL and meniscus) and the projected summer 2025 return; no contradictory accounts were identified. Detailed medical assessments and exact surgical timelines remain undisclosed.

Verbatim Quotes

  • “It was ACL and meniscus. It is the same injury as the first Holloway fight, only this time the opposite leg. Quite shocking,” — Conor McGregor, Fighter
  • “With today’s regenerative medicine advancements and improved training methods it is well within my realm to return by next summer. I am walking without a crutch. I done leg extension machine work the other day to no issue. So I can walk without aid, and activate my quad under resistance. All very positive.” — Conor McGregor, Fighter
  • “I am maximum discipline and have maintained it fully since the bout. I wonder was I saved from something worse here. I believe so. I would have attended the after party as 'the man' and who knows then. I believe I was saved. Thank you God!” — Conor McGregor, Fighter
  • “Not even thinking about it," White said.” — Dana White, UFC President
  • “Conor still has to have knee surgery and go through everything he’s going to have to go through.” — Dana White, UFC President

What’s Next

McGregor has announced a target to resume training and compete by next summer, aiming to fulfill the final fight of his UFC contract. No official fight date or opponent has been confirmed.