With Oscar Collazo's flyweight title shot called off due to his injury, he must now decide whether he wants to return to minimumweight. Collazo holds both the WBO and WBA titles at minimumweight (105 pounds).The WBO World Championships Committee has formally ordered negotiations between Collazo and WBO interim champion Ryusei Matsumoto (9-0) of Japan to fulfill the mandatory championship obligation and promptly terminate the interim championship status. Matsumoto becam einterim champion last month by defeating Russell Acosta Sivleira in a battle of unbeatens. Representatives of Collazo and Matsumto have fifteen days to reach an agreement. Should negotiations prove unsuccessful, the WBO will order purse bid proceedings.
PRIOR BOXINGTALK COVERAGE
SEPT 19, 2026: Puerto Rico's Oscar “El Pupilo” Collazo, who holds two of the four world titles at miniumweight has withdrawn from his scheduled flyweight title challenge due to a rib injury sustained in training camp. Collazo was scheduled to move up two weight classes to challenge another two-belt champion, Ricardo “El Niño” Sandoval, on October 10th at the Wintrust Arena in Chicago. According to Collazo's promoter, Golden Boy, the show will proceed with undefeated lightweights Floyd “Kid Austin” Schofield III (19-0, 13 KOs) and “Prince” Lucas Bahdi (20-0, 15 KOs) meeting in the main event for the vacant WBA lightweight title. Golden Boy and Most Valuable Promotions said additional details concerning the October 10th undercard will be announced once confirmed.
SEPT. 15, 2026: The flyweight division takes center stage on Saturday, October 10th at the Wintrust Arena in Chicago as Mexico’s Ricardo “El Niño” Sandoval puts his WBC / WBA unified championship on the line in against undefeated minimumweight champion Oscar Collazo, with the action broadcasting live worldwide on DAZN. Sandoval (27-2, 18 KOs) enters this fight ain his boxing prime. The Mexican warrior reached the summit last July after traveling to Japan and dethroning Kenshiro Teraji on his home turf. Coming in as the favorite thanks to his natural height, reach, and power advantages at 112 pounds, Sandoval aims to prove he remains the man to beat in the division. It won’t be an easy night, however, as standing in his way is Óscar “El Pupilo” Collazo. The Puerto Rican star, a WBO/WBA champion at 105 pounds, is making a daring jump up two weight classes to etch his name into the history books of boxing. He is moving up in weight after attempts to make a big fight at minimumweght fell through. Collazo relies on his speed, refined technique, and sharp precision to offset Sandoval’s physical strength in what promises to be an action-packed tactical battle full of explosive combinations. Collazo enters the ring with an unbeaten record.
JUNE 22, 2026: Oscar Collazo made an unplanned move up to flyweight and came away with a second-round knockout win over Neider Valdez. Collazo was originally set to defend his two minimumweight world titles against Joey Canoy, but visa issues stopped Canoy from entering the country. The resulted in Valdez being brought in as a replacement with the fight being held at 112 pounds instead of 105. There was a big gulf in class between the two fighters with Valdez being knocked down three times before he was pulled out of the fight by his corner in the second round.
