Carlos Ulberg

Carlos Ulberg, “Black Jag,” is the UFC light heavyweight champion and No. 15 on the men’s pound-for-pound list, with a 15-1-0 record. The rankings page lists him as champion, and his athlete page tags him as title holder. UFC.com identifies him as a New Zealander who debuted in the Octagon on Mar. 6, 2021. He stopped Dominick Reyes by first-round KO/TKO at UFC Perth: Ulberg vs Reyes on Sep. 27, 2025, then won the light heavyweight title with a first-round KO/TKO of Jiří Procházka at UFC 327 on Apr. 11, 2026.