“My GOAT Ain’t Duck” – Charles Oliveira Accepting Tough Mateusz Gamrot Challenge Leaves Fans in Awe
After many speculations, the UFC has finally announced that Charles Oliveira will face Mateusz Gamrot at UFC Rio.

Charles Oliveira vs Mateusz Gamrot set for UFC Rio (via Lowkick MMA)
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Excitement is building in the mixed martial arts world as the UFC continues to shape its next wave of high-stakes matchups. Fans and analysts alike are already looking ahead to some of the organization’s most anticipated fights, with promising talent and established stars lining up. One fight that has recently captured attention is the upcoming clash between Charles Oliveira and Mateusz Gamrot at UFC Rio.
There was considerable controversy surrounding the UFC Rio main event after Rafael Fiziev withdrew from his fight against Oliveira. The fight was highly anticipated due to the contrasting styles of both fighters and was expected to be a violent showdown. However, Oliveira released a video shortly after condemning lightweight division fighters for failing to step up on short notice.
One of the fighters to be targeted in the video was Gamrot. The Polish fighter wasted no time in shooting back at ‘Do Bronx’ and called him “scared.” Oliveira replied to Gamrot and explained that he had spent an entire camp training for a wrestler, and Gamrot’s wrestling-heavy approach was not what he had trained for. However, the UFC recently announced that the Gamrot vs. Oliveira matchup was official.
🚨 🇧🇷 BREAKING: Charles Oliveira will now fight Mateusz Gamrot at UFC Rio on October 11, per @UFCBrasil pic.twitter.com/HjxOXpbv0g
— Home of Fight (@Home_of_Fight) September 23, 2025
The matchup proves crucial for Oliveira, who specializes in Brazilian Jiu-Jitsu, which may prove fatal for the Polish star’s wrestling. However, this was not the first time that Oliveira and Gamrot had butted heads. Gamrot has been vocal regarding a shot at the Brazilian superstar since 2024, but Oliveira wanted to work towards championship gold and declined the offer.
Gamrot has steadily risen through the lightweight ranks with a combination of wrestling, jiu-jitsu, and striking expertise. His UFC tenure has been marked by his dominant performances over the likes of Arman Tsarukyan, Rafael Dos Anjos, and Jalin Turner. However, the ‘Gamer’ has also faced distinctive losses against ranked contenders such as Beneil Dariush and Dan Hooker.
His last outing in the Octagon was against Ludovit Klein in May 2025. The fight at UFC Rio will be closely watched as both fighters aim to strengthen their title contention prospects. With Oliveira’s championship experience and Gamrot’s dominating wrestling, the matchup promises a highly competitive contest. The event is also significant for the UFC’s presence in Brazil, offering fans a marquee fight on home soil.
Fans react to Charles Oliveira vs Mateusz Gamrot being announced for UFC Rio
In recent months, discussions within the lightweight division have highlighted how several notable fighters, including Arman Tsarukyan and Benoît Saint-Denis, were reluctant to accept a bout against Mateusz Gamrot. This has further underscored Gamrot’s reputation as one of the most avoided fighters in the weight class.

While many fans did not expect Charles Oliveira to agree to a short notice against Gamrot, ‘Do Bronx’ shut down his critics. Others have pointed out how long it took for Gamrot to get a fight of this magnitude, stressing that top names like Tsarukyan and BSD had avoided sharing the cage with him. Here are some fan reactions to the announcement:
my goat ain’t duck shit pussies
— ☠︎︎ ² (@defea1ted) September 23, 2025
Not sure where Charles is at after that brutal KO, but I think stylistically, this is a dream match-up for Charles.
— Trustlessauthority (@asifchach) September 23, 2025
That's the news everyone was waiting for! Huge fight! Team Gamrot
— CryptoPazuk (@CryptoPazuk) September 23, 2025
Was always the fight to make😤
— tdawg MMA (@MmaTdawg) September 23, 2025
I thought Charles was ducking?
— C$D Lunch77 (@Lunch77Beatz) September 23, 2025
Tbh props to both, gamrot for really stepping in and charles for not ducking him
— Black (@BlacklikesF1) September 23, 2025
I KNEW YOU WERENT DUCK
— mauro (@90420l5) September 23, 2025
Excited to watch this fight. Glad gamrot finally someone to fight him, and glad Charles is fighting someone that is less likely to flat line him
— Usuário do Zoom (@Guilhermexhcrf) September 23, 2025
It is also exciting as Oliveira returns to the Octagon after facing a brutal knockout loss against Ilia Topuria at UFC 317. The matchup not only delivers a high-stakes clash but also answers the calls of fans who demanded Oliveira accept this challenge. Regardless of the outcome, the fight is poised to play a pivotal role in shaping the future of the lightweight division.
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