Jack Della Maddalena is an Australian professional mixed martial artist competing in the UFC welterweight division and a former UFC Welterweight Champion. Trained at Scrappy MMA in Perth under coach Ben Vickers, he holds a Brazilian Jiu-Jitsu black belt and turned professional in 2016. After earning a UFC contract via Dana White’s Contender Series in 2021, he built a reputation through first-round finishes and multiple Performance of the Night bonuses. This tag page collects news, fight reports, interview coverage, and career updates related to his welterweight title run, his championship win over Belal Muhammad at UFC 315, and his subsequent bout with Islam Makhachev at UFC 322.