CALLUM WALSH

The current Zuffa Boxing roster of 93 boxers (and counting), as of February 24, 2026.

Shane Mosley Jnr and Feargal McCrory added to Zuffa’s growing roster

Raymond Muratalla (left) lands a punch on Andy Cruz (right) on January 24, 2026

Main stage: Raymond Muratalla owned it; Callum Walsh shrunk again

Callum Walsh scores with his right against Carlos Ocampo in the main event of the first Zuffa Boxing card on January 23, 2026

Callum Walsh brushes off knockdown, wins decision over Carlos Ocampo in Zuffa debut

Callum Walsh speaks at Zuffa Boxing’s first fight week press conference on January 21, 2026

Callum Walsh seeks to own second crack on big stage

Callum Walsh and Carlos Ocampo both flex at the scale after making weight for the Zuffa Boxing 01 main event, set for Friday on Paramount+ live from the Meta APEX in Las Vegas, Nevada.

Callum Walsh, Carlos Ocampo make weight for Zuffa Boxing launch show

Dana White sits holding a microphone at a UFC Press Conference.

‘Big presence, big pressure’: Zuffa Boxing moves to launch with many watching

Callum Walsh stands in a boxing ring wearing a UFC shirt; he is supported by UFC head Dana White.

Zuffa Boxing confirms three-fight Paramount+ lineup for January 23 launch

With blood on his chest from a cut over his right eye, Callum Walsh lands a left hand to Elias Espadas during their fight on June 21, 2025.

Callum Walsh vs. Carlos Ocampo headlines first Zuffa Boxing show

Crawford Indongo Fight

Five observations from Canelo Alvarez-Terence Crawford

Walsh

Callum Walsh is pushed, but handily outpoints Fernando Vargas Jr