Joseph Diaz, also known as “JoJo,” has made a significant impact in the world of professional boxing. With his impressive skills and determination, Diaz has climbed the ranks to become a formidable force in the ring.
Let’s take a closer look at the life and career of this talented boxer.
Joseph Diaz’s Biography
| Attribute | Information |
|---|---|
| Full Name | Joseph Pedroza Diaz Jr. |
| Nickname | JoJo |
| Born | November 23, 1992 |
| Age | 32 years old |
| Nationality | American |
| Height | 5′ 6″ (168 cm) |
| Turned Pro | 2012 |
| Net Worth | Estimated $500,000 |
| Relationship Status | Married |
| Instagram Profile | @josephdiazjr |
Joseph Diaz was born and raised in South El Monte, California. He is of Mexican descent and grew up playing baseball before taking up boxing as a means of self-defense.

Diaz’s father has been his trainer throughout his entire career, fostering a strong bond between the two.
Early Career
Joseph Diaz’s boxing journey began at a young age. He quickly made a name for himself in the amateur ranks, becoming a two-time reigning national champion at bantamweight.
His amateur success culminated in qualifying for the 2012 Olympics, where he became the first American boxer to do so by reaching the quarter-finals of the 2011 World Championships.
During this tournament, Diaz defeated both 2004 Olympic silver medalist Worapoj Petchkoom and former world championship bronze medalist Óscar Valdez.
Professional Career
Diaz made his professional debut in December 2012, defeating Vicente Alfaro Martinez by unanimous decision. He steadily climbed the ranks, showcasing his skills and determination in each fight.
In 2015, Diaz captured the WBC-NABF featherweight title by defeating Hugo Partida. He continued to defend his title multiple times, establishing himself as a force to be reckoned with in the featherweight division.
Diaz’s first shot at a world title came in May 2018 when he challenged Gary Russell Jr. for the WBC featherweight title.
Although unsuccessful in this attempt, Diaz persevered and eventually claimed the IBF super featherweight title in January 2020 by defeating Tevin Farmer.
This victory marked a significant milestone in his career, cementing his status as a world champion.
Joseph Diaz’s Net Worth Details
Joseph Diaz’s net worth is estimated to be $500,000 as of 2025. This figure primarily stems from his earnings as a professional boxer, including fight purses and potential endorsement deals.
It’s important to note that net worth estimates can fluctuate based on various factors, including recent fights, investments, and business ventures.
Fight Purses
| Opponent | Date | Purse |
|---|---|---|
| Devin Haney | December 4, 2021 | $450,000 |
| Shavkatdzhon Rakhimov | February 13, 2021 | $500,000 |
| Tevin Farmer | January 30, 2020 | – |
| William Zepeda | October 29, 2022 | $450,000 |
Career Records
| Opponent | Result | Date |
|---|---|---|
| Abraham Montoya | Loss (SD) | November 9, 2024 |
| Oscar Duarte | Loss (KO) | April 27, 2024 |
| Jesus Antonio Perez Campos | Loss (SD) | February 15, 2024 |
| Jerry Perez | Win (UD) | July 8, 2023 |
| Mercito Gesta | Loss (SD) | March 18, 2023 |
| William Zepeda | Loss (UD) | October 29, 2022 |
| Devin Haney | Loss (UD) | December 4, 2021 |
| Javier Fortuna | Win (UD) | July 9, 2021 |
| Shavkatdzhon Rakhimov | Draw (MD) | February 13, 2021 |
| Tevin Farmer | Win (UD) | January 30, 2020 |
Joseph Diaz’s professional record currently stands at 33 wins, 6 losses, and 1 draw. Of his 33 wins, 15 have come by way of knockout, giving him a knockout ratio of 45%.
FAQs
1. What weight classes has Joseph Diaz competed in?
Joseph Diaz has competed in multiple weight classes throughout his career, including featherweight (126 lbs), super featherweight (130 lbs), and lightweight (135 lbs).
2. Has Joseph Diaz ever won an Olympic medal?
While Joseph Diaz represented the United States in the 2012 Olympics, he did not win a medal. He was eliminated in the second round of the competition.
3. Who trains Joseph Diaz?
Joseph Diaz has been trained by his father, Joseph Diaz Sr., throughout his entire boxing career.
4. What is Joseph Diaz’s most significant win to date?
Many consider Diaz’s victory over Tevin Farmer to win the IBF super featherweight title in January 2020 as his most significant win to date.
5. Has Joseph Diaz ever been knocked out?
Yes, Joseph Diaz suffered his first knockout loss in April 2024 against Oscar Duarte in the 9th round of their fight.
6. What is Joseph Diaz’s fighting style?
Diaz is known for his technical skills, effective counterpunching, and ability to control distance. He fights from a southpaw stance.
7. How many world titles has Joseph Diaz won?
Joseph Diaz has won one world title in his professional career – the IBF super featherweight title in 2020.
8. What challenges has Joseph Diaz faced outside of the ring?
Diaz has been open about his struggles with anxiety and has become an advocate for mental health awareness in boxing.
9. How active is Joseph Diaz in social media?
Joseph Diaz maintains an active presence on Instagram under the handle @josephdiazjr, where he shares updates about his career and personal life.
10. What are Joseph Diaz’s future plans in boxing?
Diaz continues to compete at a high level and likely aims to regain a world title in the near future.



