Golden Boy Promotions has assembled the undercard - including two, world championship defenses - for the main event clash between undefeated, former world champion Jaime Munguia (42-0, 33 KOs) and former Interim world champion John “The Gorilla” Ryder (32-6, 18 KOs) of the U.K.

The 12-round super middleweight clash for the WBC Silver Title is presented in co-promotion with Zanfer Boxing and Matchroom Boxing and will take place at Footprint Center in Phoenix, Arizona on Saturday, January 27 and broadcast worldwide on DAZN beginning at 6:00 p.m. MST/ 5:00 p.m. PST.  

In the co-main event, presented in association with Miguel Cotto Promotions, Villalba, Puerto Rico’s history-making Oscar “El Pupilo” Collazo (8-0, 6 KOs) will defend his WBO minimumweight world championship title against Reyneris Gutierrez (10-1, 2 KOs) of Matagalpa, Nicaragua.

Scheduled for 12-rounds, Collazo is returning to the ring after a dazzling, knockout victory over Garen Diagan in front of his hometown crowd in Puerto Rico. 

“With less than a week away for my second world title defense, I feel great and at my best moment,” said Collazo. “As always, we are very prepared and focused on what we are going to do on January 27 and leave the ring with our hand-raised. We have a good plan in place like all our previous fights, and we are ready to entertain in front of the people of Arizona, Puerto Rico, and on DAZN. Thank you, Miguel Cotto Promotions and Golden Boy for the opportunity to be on such a big card featuring a spectacular main event between Jaime Munguia and John Ryder.” 

On the DAZN Broadcast, knockout superstar in-the-making Darius “DFG” Fulghum (9-0, 9 KOs) will be defending his WBA Continental USA Super Middleweight Title against the crafty Alantez “SlyAza” Fox (28-5-1, 13 KOs) in a 10-round contest.

Co-promoted with Sampson Boxing, IBF flyweight world champion Gabriela “Sweet Poison” Fundora (12-0, 5 KOs) of Coachella Valley, California will defend her newly minted hardware in a 10-round combat against Christina Cruz (6-0, 0 KOs) of Fort Lauderdale, Florida.

Opening the DAZN broadcast, Mexico City’s David Picasso Romero (26-0-1, 15 KOs) will participate in a 10-round super bantamweight fight against Erik Ruiz (17-9-1, 7 KOs) of Oxnard, California.

On the preliminary card, Daniel “Junebug” Garcia (7-0, 5 KOs) of Denver, Colorado will participate in a six-round lightweight match against Phoenix, Arizona’s Daniel Lugo (4-1, 1 KOs). Gregory Morales (15-1, 9 KOs) of San Antonio, Texas will challenge Ronal Ron (14-4, 11 KOs) of Chino Hills, California in an eight-round super bantamweight fight. In a four-round bantamweight, former Mexican Olympian Gael “El Terror” Cabrera (3-0, 2 KOs) will measure up against Miguel Ceballos (2-0, 2 KOs) of Peoria, Arizona . Opening the fight night festivities with a four-round bantamweight fight, Johnny “Sugarcane” Cañas (2-0, 2 KOs) of Santa Ana, California will face Oakland, California's William Davis (2-1-1, 1 KO).