Overview
- McGregor suffered a right‑knee injury in his UFC 329 rematch with Max Holloway on July 11, 2026, and the bout was stopped after he repeatedly fell and referee Mike Beltran awarded Holloway a TKO (injury).
- McGregor has said scans show a torn ACL and meniscus and has announced plans for surgery and a targeted return for International Fight Week 2027 while UFC president Dana White estimates about a year out for recovery.
- The fighter has formally asked state athletic commissions to change the TKO to a no‑contest, arguing dry‑ice fog made the Octagon floor wet and caused a slip, a claim that faces steep precedent and evidentiary hurdles.
- Sports‑medicine experts have publicly flagged McGregor’s post‑fight workout videos and lack of visible swelling as inconsistent with a straightforward, recent complete ACL rupture and have questioned the pace and timing of any surgery.
- McGregor is one fight shy of finishing his UFC contract and remains a major commercial draw so the injury, appeal and medical uncertainty will influence matchmaking, pay‑per‑view plans and whether a summer 2027 ‘Last Dance’ is realistic.