<p>Charles Oliveira will turn 36 just a few days after UFC Fight Night in Brazil, but will he walk away with an early birthday present as the underdog?</p> <p>He will headline the upcoming event on Sunday, October 12, when he meets Mateusz Gamrot inside the Octagon in Rio de Janeiro. He was supposed to be taking on Rafael Fiziev, but an injury ruled the latter out and led to the Pole taking his place.</p> <p>Still, the Sao Paulo native is perceived to be an underdog in this bout? Will that happen when they meet? The walkout time isn’t known yet, but it’ll be after 09:00 AEST when the main card is expected to begin.</p> <h2>Charles Oliveira vs Mateusz Gamrot: Tale of the Tape</h2> <p>A fighter like Oliveira will be well-known to UFC fans, as will Gamrot. However, bettors should still look at their key statistics before placing bets on the upcoming fight.</p> <p>The Brazilian’s key statistics are first…</p> <p>&nbsp;</p> <ul> <li>Age - 35 vs 34</li> <li>Height - 5'10" (178cm) vs 5'10" (177cm)</li> <li>Weight - 154.5 lbs (70.1 kgs) vs 156.0 lbs (70.8 kgs)</li> <li>Reach - 74.0" (188cm) vs 70.5" (179cm)</li> <li>Stance - Orthodox vs Orthodox</li> <li>Record - 35-11-0 vs 25-3-0</li> <li>UFC Record - 23-11-0 vs 8-3-0</li> </ul> <h2>Charles Oliveira vs Mateusz Gamrot: Betting Preview</h2> <p>Oliveria is hugely experienced when it comes to fighting inside a UFC Octagon, having had more than three times as many fights as his Polish competitor. Still, this bout promises to be intriguing, as both are evenly matched.</p> <p>A quick look at their recent five-fight record would suggest just as much, too. The Brazilian has lost three of his last five, while Gamrot has just one defeat over the same span…</p> <p>&nbsp;</p> <p>Oliveira’s Last Five Fights:</p> <ul> <li>Ilia Topuria - Loss (TKO, 1) - Jun 2025</li> <li>Michael Chandler - Win (UD, 5) - Nov 2024</li> <li>Arman Tsarukyan - Loss (SD, 3) - Apr 2024</li> <li>Beneil Dariush - Win (TKO, 1) - Jun 2023</li> <li>Islam Makhachev - Loss (Sub, 2) - Oct 2022</li> </ul> <p>Gamrot’s Last Five Opponents:</p> <ul> <li>Ľudovít Klein - Win (UD, 3) - May 2025</li> <li>Dan Hooker - Loss (SD, 3) - Aug 2024</li> <li>Rafael dos Anjos - Win (UD, 3) - Mar 2024</li> <li>Rafael Fiziev - Win (TKO, 2) - Sep 2023</li> <li>Jalin Turner - Win (SD, 3) - Mar 2023</li> </ul> <h2>Charles Oliveira vs Mateusz Gamrot: Betting Predictions</h2> <p>As highlighted, the <a href="https://www.sportsbet.com.au/betting/ufc-mma/ufc-matches/charles-oliveira-v-mateusz-gamrot-9669734">betting odds for Charles Oliveira vs Mateusz Gamrot</a> have the Brazilian as the perceived underdog heading into this contest.</p> <p>However, we think this presents value and actually predict that Oliveira will get the win in this one. We like the value being offered in the ‘Charles Oliveira by Submission’ market, as 16 of his 23 UFC wins have come by this method.</p> <p>With the home support and his ability to bounce back from a defeat with an immediate victory, we predict that this trend will continue in Rio on Sunday.</p>