Jack Della Maddalena, known to fans as “JDM” or the unofficial “3-Name Jack,” has quickly become one of the most exciting fighters in the UFC welterweight division. From his early days on the rugby fields of Perth to holding the UFC welterweight title, his journey is a testament to resilience, family values, and a relentless pursuit of greatness. Here’s a comprehensive look at his life, career, and achievements.
Jack Della Maddalena’s Biography
| Detail | Information |
| Full Name | Giacomo “Jack” Della Maddalena |
| Nickname | JDM, “3-Name Jack” |
| Date of Birth | September 10, 1996 |
| Age | 28 years |
| Place of Birth | Perth, Western Australia |
| Nationality | Australian |
| Height | 5’11” (180 cm) |
| Weight | 170 lbs (77 kg) |
| Reach | 73″ (185 cm) |
| College | St. Kevin’s College, Melbourne; Aquinas College, Perth |
| University | N/A |
| Religion | N/A |
| Turned Pro | March 12, 2016 |
| Net Worth | Estimated $1.5 million |
| Salary | $350,000–$500,000 per fight |
| Spouse | Michelle Della Maddalena |
| Relationship Status | Married |
| Children | Son Franco, daughter, name private |
| Instagram Profile | @jackdellamaddalena |
Early Career
Jack Della Maddalena grew up in Perth, Western Australia, in a family with strong Italian roots. He started playing rugby at age eight, representing his schools—St. Kevin’s College in Melbourne and Aquinas College in Perth—throughout his youth. Inspired by his older brother, Jack took up boxing at fourteen to improve his rugby fitness. The thrill of combat sports soon took over, and after leaving rugby, he dedicated himself fully to MMA, making his amateur debut in 2015 and turning professional in 2016.
Professional Career
Jack’s professional MMA career began with two consecutive losses, a tough start that only fueled his determination. He rebounded with a first-round knockout win in his third fight and went on a dominant run in Australia’s domestic scene, capturing and defending the Eternal MMA welterweight title. His relentless style and knockout power caught the attention of UFC scouts, and after impressing on Dana White’s Contender Series in 2021, he earned a UFC contract. Jack debuted in the UFC in January 2022, quickly establishing himself with a series of first-round finishes. By May 2025, he remained undefeated in the UFC and captured the welterweight championship by defeating Belal Muhammad at UFC 315, cementing his status as one of the sport’s elite.
Wife
Jack Della Maddalena has been married to Michelle Della Maddalena since March 29, 2022. The couple began dating in 2016, got engaged in 2021, and have two children: a son named Franco (born August 2022) and a daughter born in 2024, whose name has not been publicly shared. Michelle maintains a low profile but is a constant source of support for Jack, often seen in family photos on his social media.
Jack Della Maddalena’s Net Worth Details
As of 2025, Jack Della Maddalena’s net worth is estimated at $1.5 million. This figure reflects his UFC fight purses, performance bonuses, and sponsorship deals. His earnings have spiked since becoming a UFC champion, with pay-per-view shares and higher base salaries contributing to his financial growth.
Fight Purses
| Event/Opponent | Purse | Win Bonus | Year | Notes |
| Pete Rodriguez | $12,000 | $12,000 | 2022 | UFC 270 debut |
| Ramazan Emeev | $18,000 | $18,000 | 2022 | UFC 275 |
| Danny Roberts | $24,000 | $24,000 | 2022 | UFC Fight Night 215 |
| Randy Brown | $38,000 | $38,000 | 2023 | UFC 284 |
| Bassil Hafez | $48,000 | $48,000 | 2023 | UFC on ESPN 49 |
| Kevin Holland | $75,000 | $75,000 | 2023 | UFC Fight Night 227 |
| Gilbert Burns | $85,000 | $85,000 | 2024 | UFC 299 |
| Belal Muhammad | $500,000* | N/A | 2025 | UFC 315, includes PPV share |
Endorsements
- Venum (UFC official apparel sponsor)
- Local Australian fitness and nutrition brands
- MMA equipment and gear companies
- Regional sports drink partnerships
Career Records
| Date | Opponent | Result | Method | Event/Notes |
| May 10, 2025 | Belal Muhammad | Win | Decision (Unanimous) | UFC 315 – Won Welterweight Title |
| Mar 9, 2024 | Gilbert Burns | Win | KO (Knee/Elbows) | UFC 299 |
| Sep 16, 2023 | Kevin Holland | Win | Decision (Split) | UFC Fight Night 227 |
| Jul 15, 2023 | Bassil Hafez | Win | Decision (Split) | UFC on ESPN 49 |
| Feb 11, 2023 | Randy Brown | Win | Submission (RNC) | UFC 284 |
| Nov 19, 2022 | Danny Roberts | Win | TKO (Punches) | UFC Fight Night 215 |
| Jun 11, 2022 | Ramazan Emeev | Win | TKO (Punches) | UFC 275 |
| Jan 22, 2022 | Pete Rodriguez | Win | TKO (Punches) | UFC 270 |
| Sep 14, 2021 | Ange Loosa | Win | Decision (Unanimous) | Dana White’s Contender Series |
| Mar 12, 2016 | Aldin Bates | Loss | TKO (Punches) | Eternal MMA 15 (Pro debut) |
| May 28, 2016 | Darcy Vendy | Loss | Submission (RNC) | Eternal MMA 17 |
FAQs
1. Who is Jack Della Maddalena?
Jack Della Maddalena is an Australian professional mixed martial artist who competes in the UFC welterweight division and is the current UFC Welterweight Champion.
2. When and where was Jack Della Maddalena born?
He was born on September 10, 1996, in Perth, Western Australia.
3. What is Jack Della Maddalena’s fighting background?
He started with rugby as a child, transitioned to boxing at age 14 under the influence of his older brother, and later moved into MMA after his rugby career ended.
4. What is Jack Della Maddalena’s MMA record?
His professional MMA record stands at 18 wins and 2 losses.
5. How did Jack Della Maddalena become UFC Welterweight Champion?
He became champion by defeating Belal Muhammad via unanimous decision at UFC 315 on May 10, 2025.
6. What is Jack Della Maddalena’s fighting style and strengths?
He is known for his striking skills, with a high percentage of wins by KO/TKO, and holds a black belt in Brazilian Jiu-Jitsu.
7. Which team and coach does Jack Della Maddalena train with?
He trains at Scrappy MMA in Perth under coach Ben Vickers.
8. What is Jack Della Maddalena’s heritage?
He is of Australian and Italian descent, with his grandfather originating from Sardinia.
9. What notable achievements has Jack Della Maddalena earned in the UFC?
He has won multiple Performance of the Night and Fight of the Night bonuses, and has remained undefeated in the UFC since his debut.
10. What are Jack Della Maddalena’s physical stats?
He stands 5 feet 11 inches tall, has a 73-inch reach, and competes at 170 pounds in the welterweight division.