Pacheco Methodically Breaks Down Aleem

To Retain Super Middleweight Belts,

With Eleventh-Round Stoppage!

By: David Colon

Saturday, July 18, 2026, at Dignity Health Sports Park in Carson, California, headlined an Eddie Hearn–Matchroom Boxing card streamed live on DAZN, Renton, Washington’s Diego Pacheco continued his steady march toward a world-title opportunity with another polished, dominant performance, systematically breaking down and stopping Richmond, Virginia veteran contender Immanuwel Aleem in eleven rounds.

Displaying patience, ring maturity and disciplined offensive execution, the unbeaten U.S. contender once again demonstrated why he is regarded as one of boxing’s premier rising stars at 168 pounds.

From the opening bell, Pacheco established complete control behind one of the division’s best jabs. Using his considerable height and reach advantages, the 6-foot-4 contender consistently kept Aleem at the end of his punches while dictating both the pace and distance of the contest. Rather than rushing for an early knockout, Pacheco methodically dissected the experienced Virginian with sharp straight lefts, crisp combinations and a sustained attack to the body that gradually slowed Aleem’s movement and diminished his offensive output.

Aleem, known throughout his career for his toughness, athleticism and willingness to exchange, attempted to close the distance and make the fight competitive. However, Pacheco’s superior timing, footwork and defensive awareness repeatedly neutralized Aleem’s attacks. Whenever Aleem managed to move inside, Pacheco answered with accurate uppercuts, short hooks and punishing body shots before pivoting back to long range. Although Aleem displayed tremendous heart and determination, he found himself increasingly unable to match the younger fighter’s precision and consistency.

As the fight entered the middle rounds, Pacheco’s systematic body work began paying significant dividends. Aleem’s movement became noticeably slower, his punch output declined, and the undefeated contender started landing heavier combinations with increasing frequency. Rather than forcing reckless exchanges, Pacheco remained composed, continuing to invest in the body while setting up damaging shots upstairs. His disciplined approach reflected the growing maturity that has become a hallmark of his recent performances.

The decisive sequence unfolded in the eleventh round. Sensing his opponent was fading, Pacheco increased the pressure and trapped Aleem against the ropes. He unleashed a sustained barrage featuring pinpoint uppercuts, crushing hooks and straight power punches that repeatedly snapped Aleem’s head backward while leaving him with few opportunities to respond. Despite Aleem’s courage in attempting to survive the assault, referee intervention became inevitable as Pacheco’s unanswered combinations continued to land cleanly. Referee Ray Corona stepped in late in Round 11, awarding Pacheco the technical knockout victory before unnecessary punishment could be absorbed.

The victory improves Pacheco’s unblemished professional record to 26–0 with 19 knockouts, while allowing him to successfully defend both his WBC Silver Super Middleweight Championship and WBO International Super Middleweight Championship. More importantly, the performance further strengthened his credentials as one of the leading contenders in the talent-rich 168-pound division and moved him another step closer to a long-awaited opportunity to compete for a recognized world title.

Aleem, who entered the bout as a seasoned veteran capable of testing elite competition, saw his record fall to 22–5–3 with 14 knockouts. Although the Richmond, Virginia native demonstrated the grit and resilience that have defined his career, he was ultimately outboxed and outworked by a younger, sharper and more technically refined opponent. His willingness to compete until the stoppage reflected his championship spirit, even as Pacheco’s relentless pressure proved too much to overcome.

Official scorecards prior to the stoppage reflected Pacheco’s commanding control of the contest. All three judges had the unbeaten contender comfortably ahead on wide cards after ten completed rounds, accurately illustrating his dominance before the eventual finish.

While some critics have occasionally questioned whether Pacheco possesses the urgency expected of a future world champion, this performance underscored the value of patience, discipline and intelligent ring generalship. Rather than chasing an early knockout, Pacheco systematically dismantled an experienced opponent through fundamentals, consistent body work and calculated pressure before producing an emphatic late stoppage. The victory served as another statement that the unbeaten contender is rapidly evolving from a promising prospect into a legitimate world-title threat, placing the super middleweight division’s champions squarely within his sights.

In special supporting action, Riverside, California’s, Albert “Chop Chop” Gonzalez produced the night’s most explosive undercard finish. TheRiverside, California, 24-year-old, featherweight needed just two rounds to solve Sonora, Mexico southpaw, Aaron Lopez Alameda. Gonzalez broke Alameda down with compact, high-volume combinations and a punishing attack to the midsection, culminating in a crushing right hand to the body that left Alameda unable to beat the referee Ray Armendariz count at 1:52 of round two.

Gonzalez earning the vacant NABF Featherweight title with his first career win over a southpaw moves to 18-0, 11Ko’s as Alameda 1-2 in his last three bouts falls to 31-4, 18Ko’s.

In a scheduled ten round lightweight bout, Miami, Florida based 2020 Cuban Olympian, Andy “Diamante” Cruz stopped Mexicali, Mexico’s, Abraham “Fily”, Montoya in three rounds.

Cruz starting quickly used sharp footwork, angled entries and quick flurries to control distance against the durable, pressing Mexican veteran landing a crushing right hand dropping “Fily” heavily just before the bell closing round two. Unsteady and clearly hurt, Montoya managed to beat the count.

Allowed to continue following an examination by the ringside physician, the knockdown severely shifted the momentum decisively in Cruz’s favor and set up the next-round finish, where Cruz’s renewed pressure and unanswered punches forced the referee Thomas Taylor to stop the action at 0:54 of round three. Cruz rebounding from a January 2026 twelve round majority decision loss to Fontana, California’s still unbeaten Raymond Muratalla moves to 7-1, 4Ko’s. The on again, off again, Montoya 3-3 in his last six falls to 24-8-1, 14Ko’s.

In an all-California bantamweight clash, Los Angeles, Bruno Rios Jr. edged North Hollywood’s, Saul “The Beast” Sanchez across ten competitive rounds. The 29-year-old, Sanchez brought relentless pressure and rugged inside work, but the 20-year-old, Rios, “ring-wise beyond his age,” countered with faster hands, sharper combinations and timely movement to negate much of the veteran’s offense. The fight was close enough to produce split opinions ringside was settled when the

official scorecards were announced 95-94, 96-93 times two for Rios. Rios stays unbeaten at 9-0, 7Ko’s while Sanchez 1-3-1 in his last five fights falls to 21-5-1, 12Ko’s.

In scheduled six round heavyweight action, Yorkshire, United Kingdom 19-year-old unbeaten prospect, Leo Atang dismantled Houston, Texas, Glen “Gorilla” Williams in two rounds. Atang’s, skill, speed, power and athleticism were on full display. Working behind a quick peppering and targeting the bigger bodied “Gorilla” up and down, landed thunderous shots early and often before hurting and dropping Williams into the ropes ruled a knockdown by referee Ray Armendariz for a series of unanswered heavy shots forcing Armendariz to wave it over at 2:50 of round two. Atang keeping his second-round stoppage prediction moves to 8-0, 7Ko’s while the 36-year-old, “Gorilla” Williams evens up at 2-2, 1Ko.

In a six-round middleweight clash, 20-year-old Sacramento prospect Frank Espinoza stayed perfect overwhelming and stopping Trujillo Alto, Puerto Rico veteran Luis “Corazon de Oro” Ramos through three rounds.

Espinoza came out aggressively from the opening bell, pinning Ramos against the ropes early and unloading compact, high-volume combinations to the head and body. Ramos, known for his heart and durability, tried to counter and tie Espinoza up on the inside, but the young Californian’s footwork and upper-body movement allowed him to create just enough space to land clean, punishing shots. Espinoza’s sustained pressure and heavy, accurate punching continued into round three backing and trapping Ramos on the ropes for a brutal flurry of hooks and uppercuts leaving the 33-year-old, veteran visibly hurt. Struggling to recover between exchanges, Ramos showed his trademark toughness by staying on his feet, but he looked unsteady and drained as the bell sounded to end the round. “Discretion the better part of valor”, Ramos examined between rounds three and four by the ringside physician would remain seated with referee Ray Armendariz calling the bout on the advice of the doctor, official time 3:00 of round three. Espinoza stays perfect at 5-0, 5Ko’s. The rugged Ramos 1-7 and 1NC in his last nine appearances hits official opponent status at 8-9-1, 8Ko’s.

In a six-round showcase match, Los Angeles’ 22-year-old, 6’5” heavyweight, Federico Pacheco Jr. stopped Tulsa, Oklahoma’s, Nick Jones in two rounds.

Pacheco Jr. used his size and reach advantage from the opening bell, snapping a stiff jab and following with straight rights that kept Jones backing up and unable to establish his own offense. Jones, known for his durability, tried to work inside and tie Pacheco up on the ropes, but the young Californian’s footwork and upper-body movement allowed him to create angles and land clean, thudding shots to the head and body. The decisive sequence came early in the second round when Pacheco pinned Jones against the ropes for a sharp three-punch combination forcing the 39-year-old, Oklahoman to cover up and retreat along the cables.  Pacheco continued to press Jones who dropping his guard drawing an immediate undefended volley of shots from the swarming Californian immediately prompting referee Ray Corona to step in and stop the bout at 0:48 of round two. Pacheco Jr. improves to 11-0, 8Ko’s as Jones stopped in three straight drops to 9-6, 6Ko’s.

In a six-round lightweight bout, Los Angeles prospect Samuel Contreras outworked Queretaro, Mexico’s, Jorge Alberto Ayala Lopez to a clear unanimous decision win. Contreras controlling the pace from the opening bell with an active jab and clean combination punching put Lopez on the defensive and unable to establish sustained offense. The Mexican veteran showed toughness, occasionally answering with intermittent counterpunching, landing some sharp shots in the middle rounds, but he could not match Contreras work rate, accuracy or ring generalship over the course duration leaving the 22-year-old Contreras the victor when the judges scores were announced 115–113, 116–112 times two all in favor of the unbeaten still Californian. Contreras improves to 8-0, 3Ko’s as Lopez two bout win streak closes at 2-3.

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About Matchroom Boxing

After the success of snooker in the 1980s, Matchroom Sport moved into boxing with two small hall shows followed by Frank Bruno v Joe Bugner at Tottenham Hotspur’s ground – the biggest boxing event of 1987. That launched the company into the boxing big-time, a position it has maintained ever since.

Through the 1990s Matchroom Sport’s boxing roster featured many of the biggest names in the sport including Lennox Lewis, Nigel Benn, Chris Eubank, Steve Collins and Naseem Hamed, all in world title fights and it continues to work with some of the biggest names in UK boxing including Audley Harrison, the 2000 Olympic Super-Heavyweight gold medalist.

Over the years, Matchroom Sport has built up long-standing relationships with broadcasters around the world and with the advent of the Prizefighter phenomenon, the company’s boxing division has never been in a stronger position.

From fantastic six round scraps between the sport’s journeymen, up to multi-million-dollar World Championship contests featuring the above fighters, the Pro Box series has it all. Each show is packed with the very best in boxing action in a series that encompasses almost 25 years of Matchroom Sport’s commitment to bringing the highest quality to the global television market.