Zuffa Boxing 04: Opetaia Defends Cruiserweight Titles Against Glanton

The first-ever Zuffa Boxing world title fight headlines the promotion's fourth event at the Meta APEX in Las Vegas.

Published on Mar. 8, 2026

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In the main event of Zuffa Boxing 04, undefeated Australian cruiserweight champion Jai Opetaia (29-0, 23 KOs) defends his IBF and Ring Magazine titles against hard-hitting American challenger Brandon Glanton (21-3, 18 KOs). The 12-round showdown marks Zuffa Boxing's first-ever title fight as the promotion aims to streamline the sport with fewer weight classes and premium matchups.

Why it matters

This fight is a pivotal moment for the young Zuffa Boxing promotion, which is backed by UFC CEO Dana White's vision to bring more clarity and excitement to the sport of boxing. The cruiserweight division has seen recent shifts, and the winner of this bout will be crowned the first-ever Zuffa Boxing world champion in the weight class.

The details

Opetaia, a 30-year-old southpaw from Sydney, enters as the heavy favorite at -1400 odds. Standing at 6-foot-2 with a 76-inch reach, he has dazzled fans with his technical prowess and power. Glanton, a 33-year-old orthodox fighter from Atlanta, brings a 79-inch reach advantage despite being two inches shorter at 6-foot-0. Priced as the underdog at +800, Glanton is no stranger to upsets and boasts a knockout-heavy resume.

  • Zuffa Boxing 04 takes place on March 8, 2026 at the Meta APEX in Las Vegas, Nevada.
  • The main event between Jai Opetaia and Brandon Glanton is scheduled for 12 rounds.

The players

Jai Opetaia

A 30-year-old undefeated Australian southpaw cruiserweight champion with a 29-0 record and 23 knockouts. He is the heavy favorite at -1400 odds.

Brandon Glanton

A 33-year-old American cruiserweight challenger from Atlanta with a 21-3 record and 18 knockouts. He is the underdog at +800 odds.

Dana White

The CEO of the UFC, who is backing the Zuffa Boxing promotion and its vision to streamline the sport of boxing.

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What they’re saying

“This is about legacy. Zuffa Boxing is the future, and I'm here to build it.”

— Jai Opetaia (nowboxing.com)

“I'm ready to shock the world and fill the void left by the greats.”

— Brandon Glanton (nowboxing.com)

What’s next

The winner of the Opetaia vs. Glanton fight will be crowned the first-ever Zuffa Boxing cruiserweight world champion, a significant milestone for the young promotion.

The takeaway

Zuffa Boxing's bold entry into the title fight scene, backed by UFC CEO Dana White's vision, is poised to bring more clarity and excitement to the sport of boxing. This cruiserweight showdown between the undefeated Opetaia and the upset-minded Glanton will crown the first-ever Zuffa Boxing world champion in the division, setting the stage for the promotion's continued growth.