Super featherweight · United States
Joseph Diaz 35-10-1 15 KO · 2012–2026
Photo: Louisp12, CC BY-SA 4.0 via Wikimedia Commons
Joseph Diaz is a super featherweight boxer from United States, born Nov 23, 1992. Record 35-10-1 with 15 knockouts over 2012–2026. World titles: IBF super featherweight (2020–2021). Joseph Diaz last fought Ashton Sylve on Jun 19, 2026 and lost by UD over 10 rounds.
Also: Джозеф Диас · Джозеф Діас · جوزيف دياز +7 more چوزيف دياز · ジョセフ・ディアス · JoJo · Joseph Pedroza Diaz · Joseph Pedroza Diaz Jr. · Joseph Pedroza Diaz junior · Диас, Джозеф
Born Nov 23, 1992
Country 🇺🇸 United States
Stance Southpaw
Reach 162.5 cm
Nickname JoJo
Debut Dec 15, 2012
Career 2012–2026
Rounds boxed 372
KO share 43%
Born in South El Monte, California, U.S.
Titles IBF super featherweight · 2020–2021
Confirmed bouts 37 of 46 · 30 official
Record and next fight Record
35-10-1, 15 KOs · 2012–2026
Next fight
No next fight confirmed
Last result L
UD 10/10 · Thunder Studios, Long Beach, 🇺🇸
The record 46 bouts, 2012–2026, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 46, California State Athletic Commission — Results (archive) · 17, Wikipedia (ru) · 12, Nevada State Athletic Commission — Results · 7, Wikipedia (ja) · 6, WBA Fights Master Scores · 4, Texas Department of Licensing and Regulation — Combative Sports Results · 4, IBF/USBA Results · 1
L
UD 10/10 · Thunder Studios, Long Beach, 🇺🇸
Diaz 35-9-1 · Sylve 14-1-0
L
Alexis Rocha
UD 10/10 · Honda Center, Anaheim, 🇺🇸
Diaz 35-8-1 · Rocha —
L
UD 10/10 · Credit Union 1 Arena, Chicago, 🇺🇸
Diaz 35-7-1 · Prograis 31-3-0
W
Jorge Luis Valencia Diaz
UD 8/8 · Tijuana, Baja California, 🇲🇽
Diaz 34-7-1 · Diaz —
L
Abraham Montoya
SD 10/10 · Osceola Heritage Park, Kissimmee, Florida U.S.
Diaz 34-6-1 · Montoya —
L
KO 9/10 · Save Mart Arena, Fresno, 🇺🇸
Diaz 34-5-1 · Duarte 32-2-1
L
Jesus Antonio Perez Campos
SD 10/10 · Commerce Casino, Commerce, 🇺🇸
Diaz 34-4-1 · Campos —
W
Jerry Perez
UD 10/10 · AT&T Center, San Antonio, 🇺🇸
Diaz 33-4-1 · Perez —
L
SD 10/10 · The Walter Pyramid:, Long Beach, 🇺🇸
Diaz 33-3-1 · Gesta 33-4-3
L
WBA CONTINENTAL AMERICAS LIGHTWEIGHT UD 12/12 · Pechanga Arena, San Diego, 🇺🇸
Diaz 33-2-1 · Zepeda 28-0-0
L
For WBC lightweight title UD 12/12 · MGM Grand Garden Arena, Las Vegas, 🇺🇸
Diaz 33-1-1 · Haney 27-0-0
W
Won vacant WBC interim lightweight title UD 12/12 · Banc of California Stadium, Los Angeles, 🇺🇸
Diaz 32-1-1 · Fortuna 36-2-1
D
For vacant IBF super-featherweight title MD 12/12 · Fantasy Springs Casino, Indio, 🇺🇸
Diaz 32-1-0 · Rakhimov 16-0-0
W
Won IBF super featherweight title UD 12/12 · Meridian at Island Gardens, Miami, 🇺🇸
Diaz 31-1-0 · Farmer 30-4-1
W
Jesus Cuadro
WBA GOLD SUPER FEATHERWEIGHT MD 12/12 · Auditorio del Estado, Mexicali Mexico, 🇲🇽
Diaz 30-1-0 · Cuadro —
W
Freddy Fonseca
Won vacant WBA Gold super featherweight title TKO 7/12 · T Mobile Arena, Las Vegas, 🇺🇸
Diaz 29-1-0 · Fonseca —
W
UD 10/10 · Fantasy Springs Resort Casino, Indio, 🇺🇸
Diaz 28-1-0 · Huerta —
W
UD 12/12 · 1735 Vine St, Los Angeles, 🇺🇸
Diaz 27-1-0 · Rojas 3-0-0
L
For WBC featherweight title UD 12/12 · MGM National Harbor, Oxon Hill, 🇺🇸
Diaz 27-0-0 · Russell Jr. 28-1-0
W
Retained WBC-NABF, and WBO-NABO featherweight titles KO 3/10 · Fantasy Springs Resort Casino, Indio, 🇺🇸
Diaz 26-0-0 · Terrazas 38-4-2
Show all 46 bouts W
Rafael Rivera
Retained WBO-NABO featherweight title UD 12/12 · T Mobile Arena, Las Vegas, 🇺🇸
Diaz 25-0-0 · Rivera —
W
Retained WBC-NABF featherweight title UD 10/10 · T Mobile Arena, Las Vegas, 🇺🇸
Diaz 24-0-0 · Ávila 24-0-0
W
Retained WBC-NABF featherweight title UD 10/10 · The Forum, Inglewood, California, 🇺🇸
Diaz 23-0-0 · García 30-1-1
W
Retained WBC-NABF featherweight title TKO 9/10 · At&T Stadium/Cowboys Stadium, Dallas, 🇺🇸
Diaz 22-0-0 · Cancio 17-3-2
W
Retained WBC-NABF featherweight title KO 2/10 · Fantasy Springs Casino, Indio, 🇺🇸
Diaz 21-0-0 · Proa —
W
Retained WBC-NABF featherweight title UD 10/10 · Oracle Arena, Oakland, California, 🇺🇸
Diaz 20-0-0 · Velez 2-2-1
W
UD 10/10 · Oracle, Oakland, 🇺🇸
Diaz 19-0-0 · Velez 2-1-1
W
Hugo Partida
Won vacant WBC-NABF featherweight title KO 2/10 · Fantasy Springs Casino, Indio, 🇺🇸
Diaz 18-0-0 · Partida —
W
Ruben Tamayo
UD 10/10 · Fantasy Springs Resort Casino, Indio, 🇺🇸
Diaz 17-0-0 · Tamayo —
W
UD 10/10 · LA Sports Arena, Los Angeles, 🇺🇸
Diaz 16-0-0 · Alvarado 22-4-0
W
Giovanni Delgado
UD 10/10 · Minute Maid Park, Houston, 🇺🇸
Diaz 15-0-0 · Delgado —
W
Juan Luis Hernandez
TKO 3/10 · Belasco Theater, Los Angeles, 🇺🇸
Diaz 14-0-0 · Hernandez —
W
Jose Angel Beranza
UD 10/10 · Cowboys Dance Hall, San Antonio, 🇺🇸
Diaz 13-0-0 · Beranza —
W
Roberto Castaneda
RTD 4/10 · Fantasy Springs Resort Casino, Indio, 🇺🇸
Diaz 12-0-0 · Castaneda —
W
Raul Hidalgo
TKO 7/10 · State Farm Arena, Hidalgo, 🇺🇸
Diaz 11-0-0 · Hidalgo —
W
Ramiro Robles
UD 10/10 · Hard Rock Hotel, Las Vegas, 🇺🇸
Diaz 10-0-0 · Robles —
W
Luis Maldonado
UD 6/6 · Stub Hub, Carson, 🇺🇸
Diaz 9-0-0 · Maldonado —
W
Joivany Fuentes
TKO 5/8 · MGM Grand Garden Arena, Paradise, 🇺🇸
Diaz 8-0-0 · Fuentes —
W
Carlos Rodriguez
TKO 7/8 · Fantasty Springs Casino, Indio, 🇺🇸
Diaz 7-0-0 · Rodriguez —
W
Noel Mendoza
KO 3/6 · Stub Hub, Carson, 🇺🇸
Diaz 6-0-0 · Mendoza —
W
Luis Cosme
KO 1/6 · Fantasy Springs Casino (Indio), Indio, 🇺🇸
Diaz 5-0-0 · Cosme —
W
Rigoberto Casillas
TKO 3/4 · The Home Depot Center, Carson, 🇺🇸
Diaz 4-0-0 · Casillas —
W
Eric Gotay
TKO 3/6 · The Cosmopolitan LV Resort, Las Vegas, 🇺🇸
Diaz 3-0-0 · Gotay —
W
Alberto Cupido
UD 6/6 · Grand Oasis, Cancún, 🇲🇽
Diaz 2-0-0 · Cupido —
W
Jose Ruiz
TKO 2/4 · Cosmopolitan Hotel, Las Vegas, 🇺🇸
Diaz 1-0-0 · Ruiz —
W
Vicente Afaro Martinez
UD 4/4 · Los Angeles Sports Arena, Los Angeles, California, 🇺🇸
Diaz 0-0-0 · Martinez —
Amateur career Round of 64 W Kyaw Latt 🇲🇲RSC
6 amateur bouts at major tournaments, from the tournament articles on English Wikipedia (CC BY-SA). Not part of the professional record.
Ratings now Not in any current ranking.
World titles
Facts
What is Joseph Diaz's record? Joseph Diaz's professional record is 35-10-1 with 15 knockouts.
When is Joseph Diaz's next fight? No next fight is confirmed as of 17 Oct 2026.
Who did Joseph Diaz fight last? Joseph Diaz last fought Ashton Sylve on Jun 19, 2026 and lost by UD over 10 rounds.
Which world titles has Joseph Diaz held? Joseph Diaz has held 1 world title reign: IBF super featherweight (2020–2021). Promoter
Sources Boxerbook ID 8230 · permanent link boxerbook.com/id/8230 . Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.
