William Zepeda Dominates Lamont Roach Jr. to Claim Vacant WBC Lightweight Crown in Las Vegas
William "Camarón" Zepeda delivered a relentless 12-round performance to defeat Lamont Roach Jr. by unanimous decision, capturing the vacant WBC lightweight championship on August 1, 2026, at Virgin Hotels Las Vegas. The Mexican southpaw's volume punching proved too much for Roach, who suffered only the second defeat of his career.
Image related to William Zepeda Dominates Lamont Roach Jr. to Claim Vacant WBC Lightweight Crown in Las Vegas. (Photo: Metro Daily Reporter)
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A New Champion Crowned in Las Vegas
A thrilling lightweight championship doubleheader unfolded at The Theater at Virgin Hotels Las Vegas on Saturday night, August 1, 2026, as William "Camarón" Zepeda cemented his place among the division's elite . The Mexican southpaw captured the vacant WBC lightweight title with a dominant unanimous decision victory over American contender Lamont Roach Jr., in a fight that showcased Zepeda's relentless pressure and extraordinary punch output . The event, part of TNT's new series "The Fight" and streamed globally on DAZN, attracted boxing royalty including Terence Crawford, Shawn Porter, Tim Bradley, Teofimo Lopez, and Kevin Durant, who witnessed Zepeda's redemption story unfold after his sole career defeat .
Zepeda's Relentless Pressure Overwhelms Roach
From the opening bell, Zepeda (34-1, 27 KOs) imposed his will with suffocating pressure and high-volume combinations . After a tight opening round where Roach (25-2-3, 10 KOs) found success with his right hand and jab, Zepeda gradually took control from the third round onward, consistently backing Roach onto the ropes and unleashing devastating flurries . The Mexican's combinations often included a dozen punches, mixing body shots, hooks, and straight left hands that left Roach with insufficient answers .
Roach showed flashes of his quality throughout the contest, landing sharp counter rights and check hooks that occasionally knocked Zepeda off balance . The sixth round proved to be one of Roach's better frames, where he connected with eye-catching left hooks to Zepeda's head . However, Roach's reluctance to let his hands go for fear of being overwhelmed by Zepeda's counters allowed the Mexican to maintain control of the fight's tempo .
Open Scoring Adds Drama to Championship Rounds
The WBC implemented open scoring for the championship doubleheader, revealing the judges' scorecards after rounds four and eight . After four rounds, the scorecards showed Zepeda ahead on two cards (39-37) with one judge scoring it even (38-38) . By the eighth round, Zepeda had consolidated his lead across all three cards (78-74, 77-75, 77-75) , giving the Mexican champion a significant confidence boost heading into the championship rounds.
The ninth round proved pivotal, as Zepeda sat down on his punches more effectively, landing a combination that knocked Roach off balance and visibly drained his opponent . Despite Roach's renewed urgency in the tenth and eleventh rounds, where he fought more aggressively and managed to bloody Zepeda's nose, the Mexican's relentless activity and pressure secured him the final three rounds on all scorecards . Zepeda ultimately landed 218 of his 884 total punches, while Roach connected with 153 of 591 .
Judges' Verdict and Post-Fight Reactions
The three judges scored the bout decisively in favor of Zepeda: 117-111, 117-111, and 118-110 . Zepeda's victory marked his first major world championship and a career-best performance following his first professional loss to Shakur Stevenson in July 2025 .
Speaking through an interpreter after the fight, Zepeda acknowledged the significance of his redemption journey. "Against Shakur, it was an exam I couldn't pass," he said. "And you know what? It was humbling. But we took the time, we came back stronger and worked on the weaknesses and came back, and now we're champion" . When asked about his future ambitions, Zepeda declared his goal of becoming the division's undisputed champion: "I don't care who it is or when it is, put him in front of me and I'm going to beat him" .
Roach, gracious in defeat, acknowledged Zepeda's superiority on the night. "Zepeda was well prepared tonight," Roach said. "Him and his team, they had a tremendous game plan and he put it into place. No excuses. You know, I take my hat off to their team. He was just one step ahead of me" .
Muratalla Dominates Conceicao in Co-Main Event
In the co-main event, IBF lightweight champion Raymond Muratalla (25-0, 17 KOs) successfully defended his title with a lopsided unanimous decision victory over former Olympic gold medalist Robson Conceicao (21-4-1, 10 KOs) . The judges scored the bout 118-110, 119-109, and 119-109 in favor of Muratalla, who used his superior size, strength, and pressure to control the contest from start to finish .
Muratalla's consistent body work and front-foot pressure forced Conceicao to fight off his back foot for almost all 12 rounds . The challenger demonstrated remarkable toughness, but Muratalla's accuracy and power proved too much for the Brazilian veteran . After the fight, Muratalla hinted at a potential move to 140 pounds, stating that making weight at 135 had become increasingly difficult. "Not my best, to be honest with you," Muratalla told the broadcast team. "It was trouble making weight. You know what I mean? So, I felt it in this fight and I think I'll feel a lot better and a lot stronger at 140" .
Full Undercard Results
The stacked undercard featured several notable performances. Charles Conwell (22-1, 17 KOs) made a triumphant return from his first career loss, stopping previously unbeaten Paul Kroll (12-1-2, 8 KOs) via ninth-round technical knockout . Raul Curiel (18-0-1, 14 KOs) secured a majority decision victory over Quinton Randall (17-4-1, 4 KOs) with scores of 95-95, 97-93, and 100-90 . Other notable results included Joel Iriarte's eighth-round TKO victory over Jorge Lagunas and Fabian Guzman's unanimous decision win over Aaron Coley .