This show features Oscar Collazo, who is a unified titleholder in the men’s strawweight division, and Gabriela Fundora, who is the women’s undisputed flyweight champion.
Here’s what you need to know:
When is Oscar Collazo vs. Jayson Vayson?
Oscar Collazo vs. Jayson Vayson is on Saturday, September 20. The broadcast will begin at 8 p.m. Eastern Time (1 a.m. BST).
What channel is Oscar Collazo vs. Jayson Vayson on?
Oscar Collazo vs. Jayson Vayson will stream on DAZN.
Where is Oscar Collazo vs. Jayson Vayson?
The fight is taking place at Fantasy Springs Resort Casino in Indio, California.
Who is Oscar Collazo?
Collazo, 12-0 (9 KOs), is a 28-year-old from Puerto Rico and the unified WBA and WBO titleholder and Ring Magazine champion at 105lbs. He will be making his sixth title defense.
Collazo was 6-0 when he stopped Melvin Jerusalem for the WBO belt in May 2023; Jerusalem remains in the picture, having since captured the WBC title.
Collazo’s defenses included a wide decision win over contender Gerardo Zapata in June 2024 and then an impressive seventh-round stoppage last November to seize Knockout CP Freshmart’s WBA belt.
In his only other bout of 2025, Collazo dispatched the 13-2-1 Edwin Cano Hernandez with a body shot in March.
Who is Jayson Vayson?
Vayson, 14-1-1 (8 KOs), is returning to the strawweight division after competing in heavier weight classes. He’s been mostly at 108lbs, though there was a trip to flyweight in early 2023 for a shutout defeat to Seigo Yuri Akui, who went on to capture and then lose a world title at 112lbs.
Vayson, a 27-year-old from the Philippines, has won four in a row since then, the most notable victories coming against former strawweight titleholder Ryuya Yamanaka (TKO2 in December 2023) and the 4-0 Takeru Inoue (UD10 in April 2024). In his last fight, Vayson took out the 4-1-1 Jirawat Aiamong in less than two rounds in March.
What other fights are on the undercard of Oscar Collazo vs. Jayson Vayson?
The co-feature will see undisputed flyweight champion Gabriela Fundora, 16-0 (8 KOs), return for her fifth title defense. Fundora won the IBF belt in October 2023, stopped Gabriela Alaniz last November to add the remaining three titles, and is coming off a seventh-round TKO of the 19-0-1 Marilyn Badillo Amaya in April.
Fundora’s originally scheduled foe, Ayelen Granadino, 12-2-4 (1 KO), was denied a visa to enter the United States for this fight at Fantasy Springs Resort Casino in Indio, California. In steps Alexas Kubicki, 13-1 (2 KOs), who is coming off a 10-round decision win in May over the 8-0 Alondra Yamile Hernandez Mendoza.
Among the prospects on the undercard are welterweight Joel Iriarte, 8-0 (7 KOs), and junior welterweight Ruslan Abdullaev, 2-0 (1 KO), who competed in the 2024 Olympics, losing to eventual bronze medalist Wyatt Sanford.
The full list of undercard fights can be seen on BoxRec.
David Greisman, who has covered boxing since 2004, is on Twitter @FightingWords2. David’s book, “Fighting Words: The Heart and Heartbreak of Boxing,” is available on Amazon.
