“With my style of fighting, going in, getting out, maintaining pressure, maintaining distance, and my body punches, it would be a hard-fought battle,” Zepeda told The Ring. “I believe I have enough weapons in my arsenal to tire him out. I don’t think he would be able to last all 12 rounds with me.”
Mason brings elite speed and concussive power. His razor-sharp straight left down the pipe can crack Zepeda clean whenever the Mexican pressurer charges inside.
The mirror southpaw stance cuts both ways. It clears an open lane for Zepeda’s punishing lead right hook to the liver. Once Zepeda buries his head into Mason’s chest, he creates brutal leverage for short, digging uppercuts.
Mason prefers operating at mid-range, using fast counters to control the pace. He dealt with gritty forward marchers before, but nobody has forced him to fight off his back foot while absorbing heavy artillery downstairs for thirty-six minutes.
Zepeda dropped a decision to Shakur Stevenson in July 2025, but the official cards failed to capture the action. I scored that battle a draw. Zepeda dragged Shakur into the most grueling dogfight of his career. Shakur rolled and shelled up upstairs, yet none of that saved his midsection. Zepeda battered his ribs relentlessly, forcing him into a desperate grind until the final bell.
Mason possesses a weapon Shakur lacked: pure one-punch finishing ability. That leaves Zepeda walking a tightrope through the opening frames. A single flush counter left hand could end the night before the body assault takes hold.
If Mason cannot score an early stoppage, the dynamic shifts completely. The young titlist must prove he can survive relentless trench warfare, manage his gas tank under suffocating heat, and keep his pop into the deep waters. With Gervonta dodging Zepeda, a Mason clash stands out as the premier unification at 135 pounds. It pits an explosive young talent against boxing’s most relentless engine.
Top Rank is unlikely to greenlight this anytime soon. Bob Arum and the matchmakers in Las Vegas are master builders who protect their premier young assets, and throwing Mason into Zepeda right now goes completely against their playbook.
The Sam Noakes fight was a massive red flag for that kind of matchup. Noakes is a tough, relentless battler, but he came forward in straight lines and still made Mason take an uncomfortable amount of clean punishment. Mason had to dig deep into his bag, box off the back foot, and survive serious roughhouse moments to secure that decision.
Zepeda is an entirely different monster. He does not just charge forward like Noakes; he cuts the ring in half with footwork, smothers exit lanes, and throws triple-digit volume per round. Against Shakur, Zepeda showed that elite defensive movement cannot fully neutralize his body work. Shakur possesses some of the best lateral movement and distance control in the sport, yet he spent twelve rounds getting his ribs tenderized.
Mason likes to fight. His instinct when hurt or crowded is to plant his feet and fire back. Against punchers he can out-speed, that wins fight-of-the-year candidates. Against Zepeda, trading in the pocket plays right into Mexican pressure. Zepeda will happily eat two flush shots upstairs if it allows him to dig three hooks into the liver and solar plexus.
Top Rank knows what happens to young champions who absorb that kind of physical tax too early. Even if Mason survived twelve rounds and boxed to a narrow points win, the physical wear from a Zepeda fight can permanently shave years off a young fighter’s prime.
Expect Top Rank to keep Mason on a steady diet of title defenses against mid-tier contenders, guys who will stand at range and let him look like a million bucks on DAZN. They will let Zepeda hunt unifications elsewhere or wait until Mason physically fills out and tightens his inside defense before they even consider putting him in the same ring.