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Minimumweight · United States

Oscar Collazo

16-0-0 13 KO · 2020–2026

Oscar Collazo is a minimumweight boxer from United States, born Jan 15, 1997. Record 16-0-0 with 13 knockouts over 2020–2026. World titles: WBA minimumweight (2024–present), WBO minimumweight (2023–present). Oscar Collazo last fought Neider Valdez on Jun 20, 2026 and won by KO in round 2 of 12.

Also: Оскар Коллазо · オスカー・コラーゾ · 奥斯卡·科利亚索
+3 moreEl Pupilo · Oscar Collazo (mai dambe) · Oscar Manuel Collazo
BornJan 15, 1997
Country🇺🇸 United States
StanceSouthpaw
Reach155 cm
NicknameEl Pupilo
DebutFeb 15, 2020
Career2020–2026
Rounds boxed89
KO share81%
Born inNewark, New Jersey, U.S.
TitlesWBA, WBO minimumweight · 2023–present
Boxerbook rating#1 in Minimumweight · 2192 ± 149Why here ›
Confirmed bouts7 of 16 · 7 official

Record and next fight

Record
16-0-0, 13 KOs · 2020–2026
Next fight
No next fight confirmed

Last result

W
Neider Valdez
Won vacant WBO International flyweight title
KO 2/12 · Frontwave Arena, Oceanside, California, 🇺🇸
2026-06-20 ›
✓ one source

The record

16 bouts, 2020–2026, newest first. Records under each bout are both boxers going in.

Bouts by source: English Wikipedia · 15, Wikipedia (ja) · 15, WBA Fights Master Scores · 5, California State Athletic Commission — Results (archive) · 3

W
Neider Valdez
Won vacant WBO International flyweight title
KO 2/12 · Frontwave Arena, Oceanside, California, 🇺🇸
Collazo 15-0-0 · Valdez —
2026-06-20 ›
✓ one source
W
Jesus Haro
Retained WBA, WBO, and The Ring mini-flyweight titles
KO 6/12 · Honda Center, Anaheim, California, 🇺🇸
Collazo 14-0-0 · Haro —
2026-03-14 ›
official ★
W
Jayson Vayson 🇵🇭
For WBA, WBO, and The Ring mini-flyweight titles
KO 7/12 · Fantasy Springs Casino, Indio, 🇺🇸
Collazo 13-0-0 · Vayson 14-1-1
2025-09-20 ›
official ★
W
Edwin Cano
Retained WBA, WBO, and The Ring mini-flyweight titles
KO 5/12 · Polifórum Benito Juárez, Cancun, 🇲🇽
Collazo 12-0-0 · Cano —
2025-03-29 ›
official ★
W
Knockout CP Freshmart 🇹🇭
Won WBA mini-flyweight title
TKO 7/12 · The Venue Riyadh Season, Riyadh, 🇸🇦
Collazo 11-0-0 · Freshmart 25-0-0
2024-11-16 ›
official ★
W
Gerardo Zapata
Retained WBO mini-flyweight title
UD 12/12 · Turning Stone Resort Casino, Verona, 🇺🇸
Collazo 10-0-0 · Zapata —
2024-06-07 ›
✓ one source
W
Reyneris Gutierrez
Retained WBO mini-flyweight title
TKO 3/12 · Footprint Center, Phoenix, 🇺🇸
Collazo 9-0-0 · Gutierrez —
2024-01-28 ›
✓ one source
W
Garen Diagan
Retained WBO mini-flyweight title
RTD 6/12 · Roberto Clemente Coliseum, San Juan, 🇵🇷
Collazo 8-0-0 · Diagan —
2023-08-26 ›
✓ one source
W
Melvin Jerusalem 🇵🇭
Won WBO mini-flyweight title
KO 7/12 · Fantasy Springs Casino, Indio, 🇺🇸
Collazo 7-0-0 · Jerusalem 20-2-0
2023-05-27 ›
official ★
W
Yudel Reyes
WBO World Title
KO 5/12 · YouTube Theater, Los Angeles, 🇺🇸
Collazo 6-0-0 · Reyes —
2023-01-28 ›
official ★
W
Vic Saludar 🇵🇭
WBA ELIMINATOR MINIMUM
UD 12/12 · Crypto.com Arena L.A, Los Angeles, 🇺🇸
Collazo 5-0-0 · Saludar 21-5-0
2022-07-16 ›
official ★
W
Pedro Villegas
Won vacant WBO Latino mini-flyweight title
TKO 3/10 · Los Andes Mall, Panama City, 🇵🇦
Collazo 4-0-0 · Villegas —
2021-12-03 ›
✓ one source
W
Francisco Bonilla
UD 6/6 · Plaza del Quinto Centenario, San Juan, 🇵🇷
Collazo 3-0-0 · Bonilla —
2021-03-25 ›
✓ one source
W
Kevin John Cruz Jusino
TKO 2/6 · Coliseo Pedrin Zorrilla, San Juan, 🇵🇷
Collazo 2-0-0 · Jusino —
2020-12-05 ›
✓ one source
W
Vicente Castro Chenecque
TKO 3
Collazo 1-0-0 · Chenecque —
2020-10-24 ›
✓ one source
W
Vicente Castro Cheneque
TKO 3/6 · Coliseo Pedrin Zorrilla, San Juan, 🇵🇷
Collazo 0-0-0 · Cheneque —
2020-02-15 ›
✓ one source

Amateur career

🥇 Pan American Games 2019 light flyweight

2019 Pan American Games – Men's 49 kg

FinalWYuberjén Martínez 🇨🇴4:1
Semi-finalWDamián Arce 🇨🇺4:1
Quarter-finalWLuis Delgado 🇪🇨5:0

2017 AIBA World Boxing Championships – Men's light flyweight

Round of 16LJoahnys Argilagos 🇨🇺2:3
Round of 32WYauheni Karmilchyk 🇧🇾5:0

5 amateur bouts at major tournaments, from the tournament articles on English Wikipedia (CC BY-SA). Not part of the professional record.

Ratings now

C
Ring · Minimumweight
as of 2026-10-04
C
WBA · Minimumweight
Super champion
as of 2026-09-30

World titles

WBAMinimumweight
2024-11-16 – present
WBOMinimumweight
2023-05-27 – present

Facts

What is Oscar Collazo's record?
Oscar Collazo's professional record is 16-0-0 with 13 knockouts.
When is Oscar Collazo's next fight?
No next fight is confirmed as of 17 Oct 2026.
Who did Oscar Collazo fight last?
Oscar Collazo last fought Neider Valdez on Jun 20, 2026 and won by KO in round 2 of 12.
Which world titles has Oscar Collazo held?
Oscar Collazo has held 2 world title reigns: WBA minimumweight (2024–present), WBO minimumweight (2023–present).

Promoter

Golden Boy Promotions

Sources

Boxerbook ID 16848 · permanent link boxerbook.com/id/16848. Wikidata (CC0), English Wikipedia (CC BY-SA), publisher rankings, photo from the Instagram profile. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

Wikipedia ↗Wikidata ↗Instagram ↗