Zuffa Boxing 04 Preview: Opetaia vs. Glanton

Inaugural Zuffa Boxing cruiserweight title fight headlines Sunday's card in Las Vegas

Published on Mar. 6, 2026

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Zuffa Boxing stages its first world title fight on Sunday night when IBF and Ring Magazine cruiserweight champion Jai Opetaia headlines an eight-fight card against Brandon Glanton. The bout will crown the promotion's inaugural cruiserweight champion, with the Zuffa Boxing and Ring Magazine titles officially at stake.

Why it matters

This is a significant event for the new Zuffa Boxing promotion, as it marks their first world title fight since launching in 2025. The cruiserweight division has seen increased interest in recent years, and the winner of this bout will become the first Zuffa Boxing cruiserweight champion.

The details

Opetaia, a 30-year-old southpaw from Sydney, Australia, won the IBF cruiserweight title in 2022 and has stopped his last four opponents. Glanton, a 33-year-old from Atlanta and Riverside, California, is a former football player who turned pro in 2017 and is coming off a TKO win over former light heavyweight champion Marcus Browne.

  • The event takes place on Sunday, March 8, 2026 at the Meta APEX in Las Vegas.
  • The prelims begin at 6:00 PM ET / 3:00 PM PT, with the main card starting at 9:00 PM ET / 6:00 PM PT.

The players

Jai Opetaia

The 30-year-old IBF and Ring Magazine cruiserweight champion from Sydney, Australia, who stands 6-foot-3 with a 76-inch reach.

Brandon Glanton

The 33-year-old challenger from Atlanta and Riverside, California, who stands 5-foot-11 with a 79-inch reach and is ranked 10th by The Ring at cruiserweight.

Zuffa Boxing

The new professional boxing promotion that is staging its first world title fight on this card.

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What’s next

The winner of the Opetaia vs. Glanton fight will become the inaugural Zuffa Boxing cruiserweight champion and hold the Zuffa Boxing and Ring Magazine cruiserweight titles.

The takeaway

This Zuffa Boxing 04 event represents a significant milestone for the new promotion, as they crown their first world champion in the cruiserweight division, which has seen increased interest and competitiveness in recent years.