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The Hauser Report: Oscar Valdez, Phentermine, and the Larger Issue

On September 10, Oscar Valdez successfully defended his WBC super-featherweight title with a twelve-round decision over Robson Conceicao in a bout contested under the auspices of the Pascua Yaqui Tribe in Tucson, Arizona.
That’s the short version of what happened. The long version is more complicated.
After their fight was signed, Valdez and Conceicao enrolled in the Voluntary Anti-Doping Association (VADA) drug-testing program. Top Rank, which promotes both fighters, forwarded their paperwork to VADA and contracted to pay for the VADA testing. This was in addition to the fighters’ mandatory participation in the World Boxing Council Clean Boxing Program (CBP).
In late-August, a urine sample taken by VADA from Valdez tested positive for phentermine – a prescription medication used as a stimulant and appetite suppressant. The use of phentermine is classified by VADA as prohibited at all times.
VADA does not adjudicate performance enhancing drug matters. It tests fighters and reports its findings to contractually mandated parties. In this instance, after receiving the test result, VADA notified Top Rank, the World Boxing Council, and the Pascua Yaqui Tribe commission of the adverse finding.
Athletes rarely say, “I was using a PED and you caught me.” Valdez didn’t either. “What I can say,” he told Mark Kriegel of ESPN, “is that I’m a hundred-percent clean fighter. I don’t know how that got into my body.”
Patrick English (the attorney who represents Valdez) voiced the view that herbal tea, innocently ingested, was the most likely source of the phentermine and that various supplements Valdez took during training are being tested for any hint of contamination. He further noted that only a trace amount of phentermine was found in Valdez’s system and that all other blood and urine samples taken from Valdez by VADA tested negative.
Those arguments aren’t persuasive. Victor Conte (the nutrition and conditioning guru whose involvement with PEDs decades ago is a matter of record) states, “There is no connection between any herbal tea and phentermine in terms of molecular structure. No tea has ever been reported as being contaminated with phentermine. Ever in history. If you google ‘herbal tea phentermine,’ a company called their product by this name as a marketing ploy. But there’s not a shred of credible evidence I’m aware of to support the notion that phentermine is present in herbal tea. There has never been a positive test associated with any herbal tea. There is zero connection between herbal tea and phentermine.”
Conte also makes the point that, in today’s world of micro-dosing, drugs quickly leave a fighter’s system. All a negative test result means is that a fighter was clean on a particular day.
But Valdez had an ace in the hole. For purposes of drug testing, athletes are considered either “in competition” or “out of competition.” In competition begins at 11:59 PM on the night before an event.
When fighters enroll in VADA, they’re told that VADA has one prohibited list and that it doesn’t distinguish between in competition and out of competition drug use. Thus, VADA classifies phentermine as a prohibited substance at all times.
But – and this is a big but – while phentermine is banned in competition under the World Anti-Doping Agency code, its use out of competition is not prohibited by WADA.
Adjudication of Valdez’s case was left to the Pascua Yaqui Tribe Athletic Commission (which had jurisdiction over the fight) and the World Boxing Council (whose title belt was at stake). There was one hearing overseen jointly by both organizations. The tribal commission opted to follow the WADA standard and allowed the fight to proceed without punishment of any kind. The WBC’s position was a bit more complicated because the WBC Clean Boxing Program is, in theory, guided by VADA standards and the use of phentermine – even out of competition – is a violation of the CBP.
However, WBC president Mauricio Sulaiman found a way around this inconvenience, declaring, “This substance [phentermine] does not give you any competitive advantage. It is the equivalent of having three energy drinks.” Sulaiman also noted that only a trace amount of phentermine was found in Valdez’s system.
The WBC then ruled that it would officially sanction Valdez-Conceicao as a title fight. But at the same time, it placed Valdez on probation for twelve months. In addition, Valdez was ordered to take part in and pay for several unspecified educational programs, undergo an unspecified number of random drug tests, and make a minimum of six personal appearances as a WBC Ambassador to promote and educate others with regard to principles consistent with clean boxing.
The WBC ruling ruffled a lot of feathers. Victor Conte is among its foremost critics.
“I’ve given phentermine to athletes in the past,” Conte says. “I know what it does. It’s a powerful central nervous system stimulant and one of the most effective PEDs a boxer can use. It increases heart rate and enables the heart to pump more oxygen to muscle tissue which delays the onset of fatigue and helps increase speed, strength, and stamina. It also suppresses appetite and burns calories to help with weight loss. And its use can lead to serious heart problems. Athletes in other sports are suspended for using phentermine. A player in the NBA [Lindsey Hunter] was suspended after he tested positive for phentermine. Jockeys in horse racing are suspended if they use phentermine to cut weight.”
Why does WADA allow for the use of phentermine out of competition if it has the performance-enhancing and dangerous qualities that Conte says it does?
“Let’s get real about this,” Conte answers. “First, WADA’s protocols were put in place with an eye toward protecting sponsorship dollars. Too many adverse test results are bad for business. And second, WADA’s protocols aren’t designed for boxers. If a stimulant is on the banned list on fight night and you acknowledge that it enhances performance, why would it be legal in training camp? Does this mean that someone can use all the phentermine they want up until the day of a fight? That would be dangerous and allowing it to happen would be negligent.”
“When Oscar Valdez signed up for VADA testing,” Conte continues, “he agreed to follow VADA’s protocols, which include not using phentermine in or out of competition. The WBC didn’t want to lose its sanctioning fee. The tribal commission didn’t want to lose the money that would come in from Valdez-Conceicao and future fights. It’s as simple as that.”
In 2018, Billy Joe Saunders tested positive for the stimulant Oxilofrine, which (like phentermine) is allowed by WADA “out of competition” but is on VADA’s prohibited list at all times. Saunders claimed that the Oxilofrine came from a nasal spray. The Massachusetts State Athletic Commission denied him a license to box and his planned WBO title defense against Demetrius Andrade was cancelled.
“It is the classic case of rules in one place count for nothing in another,” Boxing News editor Matt Christie writes. “The problem lies with a complete lack of uniformity across the governing and sanctioning bodies. Even more problematic is that the sanctioning bodies appear to pick and choose what rules suit them on a particular day.”
Christie is right. There are too many variables. Is there PED testing for a given fight? Which tests? Which commission has jurisdiction over the fight. Who’s administering the tests? Is a sanctioning body involved? To cite one example of an absurd situation, human growth hormone and EPO are still not on the New York State Athletic Commission’s list of banned substances.
In so far as phentermine is concerned, California State Athletic Commission executive director Andy Foster says, “The California State Athletic Commission views the use of phentermine out of competition in the same way as the World Anti-Doping Agency. Phentermine is not a banned substance out of competition by WADA, so it is not banned by the CSAC either.”
Nevada State Athletic Commission executive director Bob Bennett says that Nevada also adheres to the WADA list.
Does this mean that Tyson Fury, Deontay Wilder, Canelo Alvarez and Caleb Plant can use all the phentermine they want prior to their upcoming fights in Las Vegas as long as it isn’t in their system on the day of the fight?
“Not exactly,” Bennett answers. “Phentermine is a prescription drug so, if a fighter uses phentermine, he must declare its use on a pre-fight form and answer questions as to where he got the prescription and why he’s taking it.”
I don’t know what Oscar Valdez did and didn’t do. I do know that most of the moneyed interests in boxing couldn’t care less about protecting the health and safety of fighters except to the extent that they’re protecting their own financial interests. Clean fighters have to stand up and take control on this issue. As part of their effort, they should demand one national standard.
As Andre Ward stated during ESPN’s coverage of Valdez-Conceicao, “We can’t keep moving the goal posts.”
Thomas Hauser’s email address is thomashauserwriter@gmail.com. His next book – Broken Dreams: Another Year Inside Boxing – will be published this autumn by the University of Arkansas Press. In 2004, the Boxing Writers Association of America honored Hauser with the Nat Fleischer Award for career excellence in boxing journalism. In 2019, he was selected for boxing’s highest honor – induction into the International Boxing Hall of Fame.
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TSS Salutes Thomas Hauser and his Bernie Award Cohorts

The Boxing Writers Association of America has announced the winners of its annual Bernie Awards competition. The awards, named in honor of former five-time BWAA president and frequent TSS contributor Bernard Fernandez, recognize outstanding writing in six categories as represented by stories published the previous year.
Over the years, this venerable website has produced a host of Bernie Award winners. In 2024, Thomas Hauser kept the tradition alive. A story by Hauser that appeared in these pages finished first in the category “Boxing News Story.” Titled “Ryan Garcia and the New York State Athletic Commission,” the story was published on June 23. You can read it HERE.
Hauser also finished first in the category of “Investigative Reporting” for “The Death of Ardi Ndembo,” a story that ran in the (London) Guardian. (Note: Hauser has owned this category. This is his 11th first place finish for “Investigative Reporting”.)
Thomas Hauser, who entered the International Boxing Hall of Fame with the class of 2019, was honored at last year’s BWAA awards dinner with the A.J. Leibling Award for Outstanding Boxing Writing. The list of previous winners includes such noted authors as W.C. Heinz, Budd Schulberg, Pete Hamill, and George Plimpton, to name just a few.
The Leibling Award is now issued intermittently. The most recent honorees prior to Hauser were Joyce Carol Oates (2015) and Randy Roberts (2019).
Roberts, a Distinguished Professor of History at Purdue University, was tabbed to write the Hauser/Leibling Award story for the glossy magazine for BWAA members published in conjunction with the organization’s annual banquet. Regarding Hauser’s most well-known book, his Muhammad Ali biography, Roberts wrote, “It is nearly impossible to overestimate the importance of the book to our understanding of Ali and his times.” An earlier book by Hauser, “The Black Lights: Inside the World of Professional Boxing,” garnered this accolade: “Anyone who wants to understand boxing today should begin by reading ‘The Black Lights’.”
A panel of six judges determined the Bernie Award winners for stories published in 2024. The stories they evaluated were stripped of their bylines and other identifying marks including the publication or website for which the story was written.
Other winners:
Boxing Event Coverage: Tris Dixon
Boxing Column: Kieran Mulvaney
Boxing Feature (Over 1,500 Words): Lance Pugmire
Boxing Feature (Under 1,500 Words): Chris Mannix
The Dixon, Mulvaney, and Pugmire stories appeared in Boxing Scene; the Mannix story in Sports Illustrated.
The Bernie Award recipients will be honored at the forthcoming BWAA dinner on April 30 at the Edison Ballroom in the heart of Times Square. (For more information, visit the BWAA website). Two days after the dinner, an historic boxing tripleheader will be held in Times Square, the logistics of which should be quite interesting. Ryan Garcia, Devin Haney, and Teofimo Lopez share top billing.
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Mekhrubon Sanginov, whose Heroism Nearly Proved Fatal, Returns on Saturday

To say that Mekhrubon Sanginov is excited to resume his boxing career would be a great understatement. Sanginov, ranked #9 by the WBA at 154 pounds before his hiatus, last fought on July 8, 2022.
He was in great form before his extended leave, having scored four straight fast knockouts, advancing his record to 13-0-1. Had he remained in Las Vegas, where he had settled after his fifth pro fight, his career may have continued on an upward trajectory, but a trip to his hometown of Dushanbe, Tajikistan, turned everything haywire. A run-in with a knife-wielding bully nearly cost him his life, stalling his career for nearly three full years.
Sanginov was exiting a restaurant in Dushanbe when he saw a man, plainly intoxicated, harassing another man, an innocent bystander. Mekhrubon intervened and was stabbed several times with a long knife. One of the puncture wounds came perilously close to puncturing his heart.
“After he stabbed me, I ran after him and hit him and caught him to hold for the police,” recollects Sanginov. “There was a lot of confusion when the police arrived. At first, the police were not certain what had happened.
“By the time I got to the hospital, I had lost two liters of blood, or so I was told. After I was patched up, one of the surgeons said to me, ‘Give thanks to God because he gave you a second life.’ It is like I was born a second time.”
“I was in the wrong place at the wrong time. It could have happened in any city,” he adds. (A story about the incident on another boxing site elicited this comment from a reader: “Good man right there. World would be a better place if more folk were willing to step up when it counts.”)
Sanginov first laced on a pair of gloves at age 10 and was purportedly 105-14 as an amateur. Growing up, the boxer he most admired was Roberto Duran. “Muhammad Ali will always be the greatest and [Marvin] Hagler was great too, but Duran was always my favorite,” he says.
During his absence from the ring, Sanginov married a girl from Tajikistan and became a father. His son Makhmud was born in Las Vegas and has dual citizenship. “Ideally,” he says, “I would like to have three more children. Two more boys and the last one a daughter.”
He also put on a great deal of weight. When he returned to the gym, his trainer Bones Adams was looking at a cruiserweight. But gradually the weight came off – “I had to give up one of my hobbies; I love to eat,” he says – and he will be resuming his career at 154. “Although I am the same weight as before, I feel stronger now. Before I was more of a boy, now I am a full-grown man,” says Sanginov who turned 29 in February.
He has a lot of rust to shed. Because of all those early knockouts, he has answered the bell for only eight rounds in the last four years. Concordantly, his comeback fight on Saturday could be described as a soft re-awakening. Sanginov’s opponent Mahonri Montes, an 18-year pro from Mexico, has a decent record (36-10-2, 25 KOs) but has been relatively inactive and is only 1-3-1 in his last five. Their match at Thunder Studios in Long Beach, California, is slated for eight rounds.
On May 10, Ardreal Holmes (17-0) faces Erickson Lubin (26-2) on a ProBox card in Kissimmee, Florida. It’s an IBF super welterweight title eliminator, meaning that the winner (in theory) will proceed directly to a world title fight.
Sanginov will be watching closely. He and Holmes were scheduled to meet in March of 2022 in the main event of a ShoBox card on Showtime. That match fell out when Sanginov suffered an ankle injury in sparring.
If not for a twist of fate, that may have been Mekhrubon Sanginov in that IBF eliminator, rather than Ardreal Holmes. We will never know, but one thing we do know is that Mekhrubon’s world title aspirations were too strong to be ruined by a knife-wielding bully.
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Jaron ‘Boots’ Ennis Wins Welterweight Showdown in Atlantic City

In the showdown between undefeated welterweight champions Jaron “Boots Ennis walked away with the victory by technical knockout over Eamantis Stanionis and the WBA and IBF titles on Saturday.
No doubt. Ennis was the superior fighter.
“He’s a great fighter. He’s a good guy,” said Ennis.
Philadelphia’s Ennis (34-0, 30 KOs) faced Lithuania’s Stanionis (15-1, 10 KOs) at demonstrated an overpowering southpaw and orthodox attack in front of a sold-out crowd at Boardwalk Hall in Atlantic City, New Jersey.
It might have been confusing but whether he was in a southpaw stance or not Ennis busted the body with power shots and jabbed away in a withering pace in the first two rounds.
Stanionis looked surprised when his counter shots seemed impotent.
In the third round the Lithuanian fighter who trains at the Wild Card Gym in Hollywood, began using a rocket jab to gain some semblance of control. Then he launched lead rights to the jaw of Ennis. Though Stanionis connected solidly, the Philly fighter was still standing and seemingly unfazed by the blows.
That was a bad sign for Stanionis.
Ennis returned to his lightning jabs and blows to the body and Stanionis continued his marauding style like a Sherman Tank looking to eventually run over his foe. He just couldn’t muster enough firepower.
In the fifth round Stanionis opened up with a powerful body attack and seemed to have Ennis in retreat. But the Philadelphia fighter opened up with a speedy combination that ended with blood dripping from the nose of Stanionis.
It was not looking optimistic for the Lithuanian fighter who had never lost.
Stanionis opened up the sixth round with a three-punch combination and Ennis met him with a combination of his own. Stanionis was suddenly in retreat and Ennis chased him like a leopard pouncing on prey. A lightning five-punch combination that included four consecutive uppercuts delivered Stanionis to the floor for the count. He got up and survived the rest of the round.
After returning shakily to his corner, the trainer whispered to him and then told the referee that they had surrendered.
Ennis jumped in happiness and now holds the WBA and IBF welterweight titles.
“I felt like I was getting in my groove. I had a dream I got a stoppage just like this,” said Ennis.
Stanionis looked like he could continue, but perhaps it was a wise move by his trainer. The Lithuanian fighter’s wife is expecting their first child at any moment.
Meanwhile, Ennis finally proved the expectations of greatness by experts. It was a thorough display of superiority over a very good champion.
“The biggest part was being myself and having a live body in front of me,” said Ennis. “I’m just getting started.”
Matchroom Boxing promoter Eddie Hearn was jubilant over the performance of the Philadelphia fighter.
“What a wonderful humble man. This is one of the finest fighters today. By far the best fighter in the division,” said Hearn. “You are witnessing true greatness.”
Other Bouts
Former featherweight world champion Raymond Ford (17-1-1, 8 KOs) showed that moving up in weight would not be a problem even against the rugged and taller Thomas Mattice (22-5-1, 17 KOs) in winning by a convincing unanimous decision.
The quicksilver southpaw Ford ravaged Mattice in the first round then basically cruised the remaining nine rounds like a jackhammer set on automatic. Four-punch combinations pummeled Mattice but never put him down.
“He was a smart veteran. He could take a hit,” said Ford.
Still, there was no doubt on who won the super featherweight contest. After 10 rounds all three judges gave Ford every round and scored it 100-90 for the New Jersey fighter who formerly held the WBA featherweight title which was wrested from him by Nick Ball.
Shakhram Giyasov (17-0, 10 KOs) made good on a promise to his departed daughter by knocking out Argentina’s Franco Ocampo (17-3, 8 KOs) in their welterweight battle.
Giyasov floored Ocampo in the first round with an overhand right but the Argentine fighter was able to recover and fight on for several more rounds.
In the fourth frame, Giyasov launched a lead right to the liver and collapsed Ocampo with the body shot for the count of 10 at 1:57 of the fourth round.
“I had a very hard camp because I lost my daughter,” Giyasov explained. “I promised I would be world champion.”
In his second pro fight Omari Jones (2-0) needed only seconds to disable William Jackson (13-6-2) with a counter right to the body for a knockout win. The former Olympic medalist was looking for rounds but reacted to his opponent’s actions.
“He was a veteran he came out strong,” said Jones who won a bronze medal in the 2024 Paris Olympics. “But I just stayed tight and I looked for the shot and I landed it.”
After a feint, Jackson attacked and was countered by a right to the rib cage and down he went for the count at 1:40 of the first round in the welterweight contest.
Photo credit: Matchroom
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