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." Recovery from an ACL tear typically takes up to 12 months, casting doubt on whether Ulberg will compete again in 2026. The post raises the question of whether an interim title should be introduced during his absence. Ulberg is the current UFC light heavyweight champion.
Carlos Ulberg has suffered a torn anterior cruciate ligament, his manager Ash Belcastro confirmed on April 17, 2026, throwing the UFC light heavyweight championship picture into uncertainty.
Belcastro revealed that Ulberg underwent surgery, which went "very well," and that the New Zealand fighter is "focused on returning as soon as possible." ACL recoveries typically require up to 12 months, meaning the champion could miss the remainder of 2026.

Ulberg, known as "Black Jag," holds the UFC light heavyweight title and carries a professional record of 15 wins and one loss. The 35-year-old trains out of City Kickboxing in Auckland and stands six-foot-four with a 77-inch reach. An orthodox striker, he lands an outstanding 6.54 significant strikes per minute at 55 percent accuracy — figures that rank among the most efficient in the division.
Why it matters
- Ulberg's extended absence leaves the light heavyweight title on hold and raises the question of whether the UFC will introduce an interim championship.
- At 35, a 12-month layoff is a meaningful interruption at this stage of a champion's career.
- His City Kickboxing teammate environment and elite striking pedigree make him a dangerous competitor upon return, but the division's contenders may push hard for activity in the meantime.







