Oscar Collazo will take on late replacement Neider Valdez Aguilar in a flyweight bout on Saturday, June 20, at Frontwave Arena in Oceanside, California.
Valdez stepped in on three days' notice Wednesday to replace Filipino contender Joey Canoy, who was unable to secure a visa to enter the United States.
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The main event walkouts are scheduled for approximately 10:30 p. m.
ET, with live coverage beginning at 8 p. m.
ET on DAZN.
Weight Adjustment and Title Status
The matchup was initially slated as a defense of Collazo's unified WBA and WBO 105-pound strawweight titles.
However, the 25-year-old Valdez arrived over the strawweight limit, weighing 111.2 pounds on the California State Athletic Commission's scale.
Collazo, who officially weighed 110.6 pounds, will now fight two divisions up at the 112-pound flyweight limit.
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Following the weight adjustments, the WBA declined to sanction the bout as a title fight.
Meanwhile, the WBO approved the matchup and placed its International flyweight title on the line, ensuring the fight card proceeded as scheduled to compensate all athletes.
Fighter Records and Undercard
Puerto Rico's Collazo enters the ring with an undefeated 14-0 record, including 11 knockouts.
He currently holds The Ring, WBA, and WBO 105-pound crowns and ranks ninth on The Ring's pound-for-pound list.
Mexico's Valdez carries a 15-3-3 record with 12 knockouts into the weekend event.
Valdez recently secured a technical knockout victory in March and fought to a majority draw against Gerardo Rodriguez in late May.
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The weekend event features a full undercard to accompany the main event in Oceanside.
