Carlos Ocampo

Tim Tszyu, the undefeated Australian star, returns to the ring to defend his interim 154-pound title against Carlos Ocampo in the main event of a doubleheader from Queensland, Australia. Tszyu, the son of boxing legend Kostya Tszyu, dominated former world champion Tony Harrison to win the belt in March. Ocampo has 22 KOs in 34 wins, with his only losses coming to Errol Spence Jr and Sebastian Fundora. Plus, undefeated 122-pound contenders Ra’eese Aleem and Sam Goodman clash. Live on SHOWTIME.

Undefeated Irish junior middleweight prospect Callum Walsh (15-0, 11 KOs) faces Carlos Ocampo (38-3, 26 KOs) in the main event at the Meta Apex.

Unbeaten 154-pound sensation Sebastian “The Towering Inferno’’ Fundora looks to demonstrate why he’s one of the most feared fighters in boxing when he defends his interim title against Carlos Ocampo from “The War Grounds” in Carson, Calif. The 6’6” Fundora most recently defeated Erickson Lubin in a 2022 Fight of the Year contender. Ocampo is riding a 12-fight win streak. Plus, top middleweights Carlos Adames and Juan Macias Montiel square off and 115-pound champ Fernando Martinez meets Jerwin Ancajas in an anticipated rematch. Live on SHOWTIME.

Jose Zepeda (35-3, 27 KOs, 2 NC) and Neeraj Goyat (17-3-2, 7 KOs) battle it out in the main event at Domo Alcalde in Guadalajara, Mexico.

Undefeated WBC Interim Super Middleweight Champion Lester Martinez puts his title on the line against fellow unbeaten contender Luka Plantic in what promises to be an explosive showdown. With world title implications and an action-packed undercard, this could be the best ProBox card we've seen so far.