Jack Della Maddalena

Giacomo "Jack" Della Maddalena, known to fans as JDM, is an Australian professional mixed martial artist who competes in the Welterweight division of the Ultimate Fighting Championship. He is the former UFC Welterweight Champion, having captured the belt at UFC 315. As of May 2026, he sits at #4 in the official UFC welterweight rankings. Della Maddalena is known for his aggressive striking, knockout power, and resilience inside the cage. With a professional record of 18 wins and 4 losses, he has earned a reputation as one of the most exciting fighters in the division. Fans appreciate his humble demeanor and the way he lets his performances speak for themselves. [edit]

Jack Della Maddalena grew up in Perth, Western Australia, in a family of Italian heritage. One of his grandfathers hails from Sardinia. He attended St. Kevin's College in Melbourne, where he was a classmate and friend of future Olympian Henry Hutchison. He later returned to Perth to finish his schooling at Aquinas College. Della Maddalena started playing rugby at age eight and was an avid fan of the Wallabies and the Fremantle Dockers. At 14, inspired by his older brother Josh, he joined a boxing gym to improve his rugby fitness. That experience sparked a passion for combat sports, and by age 16 he was training in MMA, taking jiu-jitsu and kickboxing classes. He made his professional MMA debut in 2016. [edit]

Della Maddalena's breakthrough came in September 2021 on Dana White's Contender Series, where he earned a UFC contract by defeating Ange Loosa via unanimous decision. He made his UFC debut at UFC 270 in January 2022, knocking out Pete Rodriguez in the first round. He quickly built an unbeaten streak, earning multiple Performance of the Night bonuses for wins over Randy Brown and Kevin Holland. In July 2023, he took a short-notice fight against Bassil Hafez at UFC Fight Night: Holm vs Bueno Silva, winning a split decision and earning Fight of the Night. A major victory came at UFC 299 in March 2024, where he defeated Gilbert Burns. His crowning achievement came at UFC 315, when he beat Belal Muhammad by unanimous decision to become the UFC Welterweight Champion. As of 2026, he holds a black belt in Brazilian Jiu-Jitsu under Ben Vickers. [edit]

Della Maddalena is known for a "speak softly and carry a big stick" attitude. He rarely trash-talks and lets his fighting do the talking. Fans and analysts describe his style as aggressive, with devastating knockout power and a switch stance that keeps opponents guessing. His resilience and ability to win tough fights have made him a fan favorite in the welterweight division. While he doesn't have a formal fandom name, supporters rally behind his humble, blue-collar approach to the sport. On social media, he maintains a low-key presence, posting training clips and fight highlights rather than courting controversy. [edit]

Jack Della Maddalena commands a following rooted in the broader mixed martial arts community and Australian sports fans rather than a distinct subculture with its own mythology or formal rituals. While he maintains an active digital presence where he engages in promotional activities, there is no evidence of organized fan campaigns, specific nicknames beyond his initials, or documented folklore surrounding his performances. His support base rallies behind a blue-collar approach to the sport, appreciating a demeanor that lets fighting speak louder than words. In August 2026, the iFANN Global Fame Engine evaluated his standing within the international landscape. The assessment concluded that Jack Della Maddalena does not currently hold a placement in the published Global Top 1,000 rankings or any Top-100 scope list. This absence of a numeric rank reflects a status where he has been measured but remains outside the specific tiered hierarchy of the current index. Despite this lack of a formal ranking position, his profile has surged due to high-profile narratives, including a championship bout at UFC 322 where he faced Islam Makhachev. Although that contest resulted in a decisive loss, his subsequent bold predictions regarding future title defenses have cemented him as a polarizing and outspoken voice within the industry. The scale of his reach is evident in media coverage spanning multiple continents, driven by consumption signals and public interest in his career trajectory. No verified incidents exist where crowds shut down streets or fans fainted from his performances, yet his resilience keeps him central to post-fight discourse. The narrative defining his fame is one of rapid ascent, a severe championship setback, and a controversial commentary on the sport's future, all without a dedicated fandom name to anchor his supporters.[edit]

Jack Della Maddalena competes under the nickname JDM and is recognized for his switch stance and aggressive striking style. He captured the UFC Welterweight Championship at UFC 315 before defending it against various challengers. A significant moment in his recent history occurred at UFC 322 held at Madison Square Garden, where he challenged Islam Makhachev for the title. The bout ended in a unanimous decision victory for Makhachev, with reports noting a 50-45 scorecard and describing Della Maddalena as bloodied and dazed prior to the final rounds. Following this defeat, he generated headlines by predicting that Makhachev would lose his next title defense at UFC 330, establishing himself as a bold figure in MMA discourse despite having just lost decisively to the champion. His previous loss to Carlos Prates in Perth during May 2026 also contributed to the intense scrutiny of his career path leading up to the championship fight.[edit]

Jack Della Maddalena is closely associated with his brother Josh, who first got him into boxing. He trains under Brazilian Jiu-Jitsu coach Ben Vickers, who awarded him a black belt. He is also a childhood friend of Australian Olympian Henry Hutchison. In the UFC, he has notable wins over Gilbert Burns, Belal Muhammad, Kevin Holland, and Randy Brown. [edit]

There is no publicly available information about Jack Della Maddalena's dating history or current relationship status. He keeps his personal life private and has not been linked to any partners in the media. As of 2026, his relationship status is unknown. [edit]

As things stand in 2026, research by the iFANN Editorial Team estimates Jack Della Maddalena's net worth at $1 Million. His exact financial standing remains undisclosed to the public. Career earnings disclosed through Tapology total $320,000, a figure that excludes his title fight purse, pay-per-view bonuses, and sponsorship income. As a former UFC champion, his earnings have likely increased significantly since his debut. Additional revenue streams include endorsement deals and social media promotions. His net worth has grown steadily over time, with major jumps occurring after his title win at UFC 315.[edit]

Jack Della Maddalena won the UFC Welterweight Championship at UFC 315. He has earned multiple Performance of the Night bonuses and one Fight of the Night bonus for his short-notice bout against Bassil Hafez. [edit]