Australian · Perth, Australia · Born 10 September 1996Rose from Australian regional promotions to beat Belal Muhammad for the UFC welterweight title in May 2025, before losing it to Islam Makhachev that November.
Giacomo "Jack" Della Maddalena was born on 10 September 1996 in Perth, Western Australia, into a family of Australian and Italian descent, with one grandfather hailing from Sardinia, and turned professional in mixed martial arts in 2016. Della Maddalena, known by his initials JDM, trained at Perth's Scrappy MMA and developed into one of the most explosive strikers in the UFC welterweight division, building an undefeated UFC run through a combination of heavy hands and improving grappling defence. Della Maddalena delivered the finest performance of his career in 2025, defeating Belal Muhammad to win the UFC Welterweight Championship, becoming one of the most prominent Australian champions in UFC history. Della Maddalena has continued to defend his title at the top of the welterweight division, renowned for his composure and finishing instincts, and remains one of the sport's most closely watched young champions as he builds his championship legacy from Perth's growing MMA scene.
First Australian UFC Welterweight Champion
How They Played
Della Maddalena is known for his aggressive striking and ability to finish fights early. He possesses strong boxing fundamentals and displays excellent timing and power in his stand-up game. His forward pressure and willingness to engage in exchanges make him an exciting fighter to watch.
Career Honours
- UFC Welterweight Champion May 2025-Nov 2025
Australian Athletes