Welterweight
Omar Rosario 14-4-0 4 KO · 2020–2025
Omar Rosario is a welterweight boxer, born 1998. Record 14-4-0 with 4 knockouts over 2020–2025. Omar Rosario last fought Omar Juárez on Oct 18, 2025 and lost by UD over 10 rounds.
Also: Омар Росарио · Росарио, Омар
Born 1998
Country —
Debut Aug 21, 2020
Career 2020–2025
Rounds boxed 100
KO share 29%
Titles Puerto Rican junior welterweight title 2025
Confirmed bouts 4 of 18 · 4 official
Record and next fight Record
14-4-0, 4 KOs · 2020–2025
Next fight
No next fight confirmed
Last result L
Omar Juárez
UD 10/10 · Texas, 🇺🇸
The record 18 bouts, 2020–2025, newest first. Records under each bout are both boxers going in.
Bouts by source: Wikipedia (ru) · 17, Nevada State Athletic Commission — Results · 4
L
Omar Juárez
UD 10/10 · Texas, 🇺🇸
Rosario 14-3-0 · Juárez —
W
John Bausa-Fernández
Vacant Puerto Rican junior welterweight title TD 7/8 · Coliseo Rafael G Amalbert, 🇵🇷
Rosario 13-3-0 · Bausa-Fernández —
L
Elijah Flores
UD 8/8 · Coliseo Roger L. Mendoza, Caguas, 🇵🇷
Rosario 13-2-0 · Flores —
W
Wilfrido Buelvás
KO 2/6 · Cancha Ruben Zayas Montanez, Trujillo Alto, 🇵🇷
Rosario 12-2-0 · Buelvás —
W
Alberto Candelaria
UD 6/6 · Coliseo Samuel Rodriguez, Aguas Buenas, 🇵🇷
Rosario 11-2-0 · Candelaria —
L
Angel Rebollar
UD 8 · Tahoe Blue Event Center, Stateline, 🇺🇸
Rosario 11-0-0 · Rebollar —
L
Ángel Rebollár
UD 8/8 · Nevada, 🇺🇸
Rosario 11-0-0 · Rebollár —
W
Juan Carlos Rivera
UD 8/8 · Madison Square Garden, New York, 🇺🇸
Rosario 10-0-0 · Rivera —
W
Zack Hill
KO 1/6 · Whitesands Events Center, Plant City, 🇺🇸
Rosario 9-0-0 · Hill —
W
Bryan Ismaél Rodríguez Rivera
UD 6/6 · Cancha Ruben Zayas Montanez, Trujillo Alto, 🇵🇷
Rosario 8-0-0 · Rivera —
W
Esteban Muñoz
UD 6/6 · Resorts World LV, Las Vegas, 🇺🇸
Rosario 7-0-0 · Muñoz —
W
Julio Rosa
UD 6/6 · Madison Square Garden, New York, 🇺🇸
Rosario 6-0-0 · Rosa —
W
Rikwon Butler
UD 6/6 · Verona, New York, 🇺🇸
Rosario 5-0-0 · Butler —
W
Mark Misiura
UD 4/4 · Whitesands Events Center, Plant City, 🇺🇸
Rosario 4-0-0 · Misiura —
W
Wilfred Mariano
TKO 4/4 · Virgin Hotels LV, Las Vegas, 🇺🇸
Rosario 3-0-0 · Mariano —
W
Uriel Villanueva
KO 2/4 · MGM Conference Center, Las Vegas, 🇺🇸
Rosario 2-0-0 · Villanueva —
W
Matt Gavers
PTS 4/4 · Osceola Heritage Park, Kissimmee, 🇺🇸
Rosario 1-0-0 · Gavers —
W
Solon Stailey
UD 4/4 · Osceola Heritage Park, Kissimmee, 🇺🇸
Rosario 0-0-0 · Stailey —
Ratings now Not in any current ranking.
World titles No world title reigns recorded.
Facts
What is Omar Rosario's record? Omar Rosario's professional record is 14-4-0 with 4 knockouts.
When is Omar Rosario's next fight? No next fight is confirmed as of 17 Oct 2026.
Who did Omar Rosario fight last? Omar Rosario last fought Omar Juárez on Oct 18, 2025 and lost by UD over 10 rounds. Sources Boxerbook ID 19488 · permanent link boxerbook.com/id/19488 . Wikidata (CC0), English Wikipedia (CC BY-SA), photo from the Instagram profile. Last fetched: unknown. Spot a mistake? Every bout page has a link to report it.