Carlos Ulberg's manager Ash Belcastro has confirmed that the fighter suffered a torn anterior cruciate ligament (ACL). Belcastro stated that the surgery went "very well" and that Ulberg is "focused on returning as soon as possible." However, recovery from an ACL tear typically requires up to 12 months of rehabilitation. This timeline raises questions about whether Ulberg will be able to compete again by the end of 2026. The injury also prompts discussion about whether an interim title should be introduced in his division during his absence. The severity of the injury represents a significant setback for Ulberg's career momentum.
Carlos Ulberg has suffered a torn anterior cruciate ligament, his manager Ash Belcastro confirmed on April 17, 2026, with a recovery timeline of up to 12 months casting serious doubt over any competitive return before the end of next year.
Belcastro confirmed that Ulberg underwent surgery, which went "very well," and said the New Zealander is "focused on returning as soon as possible." Despite that positive early update, a standard ACL rehabilitation timeline means the 35-year-old could be sidelined well into 2027.
Ulberg, who trains out of City Kickboxing in Auckland, holds a record of 15 wins and one loss in the light heavyweight division, where he is currently ranked third. Standing six-foot-four with a 77-inch reach, the orthodox striker known as "Black Jag" has been one of the more dangerous finishers in the 205-pound weight class, landing an exceptional 6.54 significant strikes per minute at a 55 percent accuracy rate.
Why it matters
- Ulberg's absence removes the third-ranked light heavyweight contender from the picture for up to 12 months, reshaping the divisional ladder.
- With a top-three contender sidelined long-term, the question of whether an interim title is warranted in the division becomes relevant.
- His elite striking volume and accuracy made him one of the most compelling matchups for any champion or top contender at 205 pounds, meaning the layoff represents a genuine loss for the division's competitive landscape.
