Newly-crowned WBO minimumweight champion Oscar Collazo makes the first defense of his belt against Filipino contender Garen Diagan at Coliseo Roberto Clemente in San Juan, Puerto Rico.

Devin Haney defends his WBC lightweight title against Joseph “JoJo” Diaz Jr, another big fight that will help set the stage for 2022 and beyond in the lightweight division.

Hard-hitting Mexican Jaime Munguia looks to end 2022 on a high when he takes on Argentina's Gonzalo Gaston Coria.

WBA cruiserweight super world champion Arsen “Feroz” Goulamirian (27-0, 19 KOs) of Yerevan, Armenia makes his U.S. fighting debut to defend his championship hardware against hungry former world champion Gilberto “Zurdo” Ramirez (45-1, 30 KOs).

Undefeated power puncher Fernando Vargas Jr. (16-0) takes on Gonzalo Gaston Coria (23-7) in Long Beach, California.