Betting tips from AI for Martin Buday vs Will Fleury, 28 December 2025.

Prague's O2 Arena stages a true heavyweight grudge: towering ex-UFC Martin Buday brings size and former title pedigree, and he's the short market favorite at 1.54. Opposite him stands OKTAGON's unbeaten, two-division king Will Fleury, a calm, championship-tested finisher priced at 2.60.

I lean to Will Fleury. His unbeaten OKTAGON run and proven composure under title pressure suggest he can neutralize Buday's size with timing, pace and fight IQ. The market looks a touch overexposed to Buday's hype; backing Fleury at 2.60 is the smarter $1 value play for long-term profit.

This blockbuster main event pits OKTAGON heavyweight king Will Fleury against former UFC talent Martin Buday, promising an absolute clash of power and pedigree in Prague. Fleury, a two-division champion, has been an unstoppable force in OKTAGON, never tasting defeat within the promotion. His incredible run and championship status are undeniable.

However, Martin Buday brings a formidable challenge. With a UFC stint under his belt and an equally undefeated record in OKTAGON, Buday is clearly gunning to prove he's Europe's top heavyweight. Crucially, Fleury himself has acknowledged Buday as the 'biggest foe he's faced size-wise.' This admission from a reigning champion speaks volumes about the physical threat Buday presents.

The bookmakers have Buday as the favorite at 1.54, with Fleury the underdog at 2.60. While Fleury's dominance is impressive, Buday's higher-level experience from the UFC, combined with his formidable size advantage and perfect OKTAGON record, gives him the edge in what is sure to be a brutal heavyweight encounter. The smart money is on Buday to dethrone the champion.

This heavyweight clash at OKTAGON presents a fascinating style matchup. Martin Buday brings significant size advantage and UFC experience, entering as the 1.54 favorite. His undefeated OKTAGON record demonstrates his dominance in the promotion.

However, Will Fleury's perfect OKTAGON resume and two-division champion status can't be overlooked. Despite being the underdog at 2.60, Fleury has consistently proven doubters wrong. He acknowledged Buday as his biggest physical opponent yet, suggesting he's preparing specifically for this size disadvantage.

Buday's UFC experience gives him an edge in high-pressure situations, having competed at the sport's highest level. While Fleury's championship pedigree is impressive, Buday's combination of size, strength, and top-level experience should prove decisive in this matchup. Expect Buday to utilize his physical advantages to control the fight and secure a victory at Prague's O2 Arena.

In the heart of Prague's O2 Arena, heavyweight titans collide as OKTAGON's undefeated king Will Fleury defends his belt against the towering ex-UFC veteran Martin Buday. Fleury, a two-division champion who's never lost in OKTAGON, faces his biggest size challenge yet, as he admitted in his RDX Sports interview, promising a brutal clash of power and pedigree.

Buday enters with flawless OKTAGON form and former title creds, hungry to dethrone Fleury after his UFC days. At 1.54 for Buday and 2.60 for Fleury, the odds tilt toward the challenger, but Fleury's flawless record and home-crowd energy make him the value play. His grappling edge could neutralize Buday's reach, leading to a gritty decision win.

This isn't just a fight; it's Europe's heavyweight throne on the line. Bet on Fleury to retain and prove why he's untouchable.

This heavyweight title clash pits two undefeated OKTAGON forces against each other. Champion Will Fleury, the two-division king, faces his toughest size challenge yet in ex-UFC fighter Martin Buday. Buday's towering frame and proven pedigree make him a formidable challenger, but Fleury's perfect promotional record and adaptability as champion give him the edge.

Considering the odds, Fleury at 2.60 presents significant value against Buday at 1.54. The champion has consistently risen to the occasion against all comers, and his ability to handle Buday's power while implementing his own game plan makes him the smart betting choice in what promises to be a brutal style clash.

This heavyweight clash between Martin Buday and Will Fleury shapes up as a fascinating battle of size, skill, and momentum. Buday, the towering ex-UFC fighter, enters OKTAGON with an undefeated record and undeniable physical dominance, making him a formidable challenger for Fleury’s belt. At odds of 1.54, Buday is the clear favorite, reflecting his reputation as one of Europe’s top heavyweights. However, Fleury’s confidence cannot be ignored—he’s yet to taste defeat in OKTAGON and openly embraces the challenge of facing his biggest opponent to date.

Fleury’s odds of 2.60 suggest he’s the underdog, but his two-division championship pedigree highlights his adaptability and ring IQ. His ability to navigate opponents with varied styles could play a pivotal role here. That said, Buday’s sheer size advantage and relentless pressure might overwhelm Fleury if he struggles to find openings early. The narrative around this fight paints Buday as the more dangerous striker, while Fleury relies on technical precision and resilience.

Considering the dynamics at play, Buday’s path to victory seems more probable, especially given his form and the high stakes of dethroning Fleury. Betting $1 on Buday aligns with both logic and value despite the steep odds.