TUCSON —He stepped into the ring with lots to prove. He stepped out of it with lots to prove.

But Oscar Valdez Jr.’s burden must have felt a lot lighter late Friday, buoyed by a gritty victory over Robson Canceicao at Casino del Sol’s AVA Amphitheatre, an outdoor arena on the road between his first and second homes, Nogales to the south and downtown Tucson to the north.

Valdez scored a unanimous decision, a bittersweet end to a long stretch of controversy, criticism and outrage over news of a positive test for a banned stimulant nearly two weeks ago. The controversy, the burden, is still with Valdez. It’s up to him to provide the proof that the traces of Phentermine in the positive were not intentional.

“I’ve been through a hard week,’’ he said. “I’m sorry for all this ruckus. I’m not a disrespectful man. I’ve been through enough. We won the fight. We did what we had to do and it’s on to the next chapter.”

Valdez continues to call himself a clean fighter.

That remains unproven. Perhaps the proof will come in that next chapter. We’ll see.

For 12 rounds at the end of a hot summer day in the Arizona desert, however, there was plenty of proof that Valdez (30-0, 23 KOs) is courageous fighter.

From round-to-round, he reaffirmed his stubborn, no-quit nature in a relentless attack against a Brazilian challenger who beat him as an amateur at the 2011 Pan American Games in Guadalajara.

In the early moments, it looked as if Conceicao (16-1, 8 KOs) would do what the World Boxing Council (WBC) would not. It looked as if the Brazilian would take the acronym’s junior-lightweight title from him.

After Conceicao stepped through the ropes and took off his robe, Valdez must have felt like David looking at Goliath. He was taller. His shoulders were big enough to cast a shadow. He feet moved with a mix of agility and speed. Valdez appeared to be in trouble.

But Valdez endured the first two-to-three rounds. That’s when it looked as if Conceicao’s long jab would dictate the bout. But Valdez adjusted. Then, attacked. There’s more to winning a fight than a powerful jab, he said.

Suddenly in the sixth, Valdez came back with an edge. In the ring at least, his punches pack some proof. At the end of the sixth, Valdez landed a head-rocking right. The punch looked like it had been by a delivered by a trigger. An angry one. 

For the next six rounds, anger was a motivation. Valdez would not back down from a bigger man who began to mock him in the fourth and fifth rounds. Conceicao dropped his hands and danced around Valdez.

“He’s over here yelling in my face,’’ Valdez said. “We’re grown men. Don’t be yelling in my face. He might be upset. Of course, you want to be a world champion, but don’t point at me, don’t be yelling in my face. I’ve been through enough this week, man.”

Conceicao complained often and loudly about the scorecards – 115-112, 117-110 and 115-112, all for Valdez. He and his corner said they had been robbed. But Valdez’ aggression and short punches were scoring, especially from the eighth through the 12^th. 

Conceicao also appeared to tire in the later rounds of a night when the temperatures were still in the low 90s. His feet stopped moving and his hands dropped, Roy Jones-style. He was still big. But he had become a big target for Valdez, the incoming missile.

After the final bell, Conceicao waved one gloved hand above his hand as if he had won. But the capacity crowd, a sellout, booed.

The crowd knew different. It had seen the proof from from on of their own, a son of Sonora.

Lopez upsets Gabriel Flores in beat-down

It was an upset. And more.

Mexican junior-lightweight Luis Alberto Lopez (23-2, 13 KOs), a massive underdog, delivered a massive beating, pouring it on throughout ten rounds for a decision over Gabriel Flores Jr. in the final fight before the ESPN+ telecast of Oscar Valdez-Robson Conceicao.

On the scorecards, it was unanimous, 98-90 on two and a 100-90 shutout on the third. Flores (20-1, 7 KOS, of Stockton, Calif., was never in it. In the late rounds, he looked out of it, especially after taking a succession of head-rocking punches in the night round. But his father and trainer, Gabriel Flores Sr., would not end it.

“I didn’t think he was really hurt,” he said during a post-fight interview in the middle of the ring.

Really, the crowd seemed to say in a deafening chorus of boos.

Moments later, Flores Sr. said he thought his son was exhausted. He was that, too. He barely made it to his stool on shaky legs after the ninth. In the 10th and final round, a Flores cornerman climbed up onto the ring apron as if he wanted to end it. But the referee never saw his futile gesture in what was a futile fight for Flores..  

Nakatani Stops Acosta to retain Flyweight Title

It was an introduction to the United States. Turns out, it was a good one. Maybe even memorable. For sure, it was powerful.

Japanese flyweight Junto Nakatani employed his great reach and sweeping left hand, retaining his World Boxing Organization title with a stoppage of tough Puerto Rican Angel Acosta on the Oscar Valdez-Robson Conceicao undercard.

Nakatani (22-0, 17 KOs) , declared the victor just as a hot Arizona sun was setting beneath the horizon, broke Acota’s nose in the first. He targeted the injury throughout the second. The ringside physician called timeout in the second to evaluate the injury. Acosta (22-3, 21 KOs) rebounded, rocking Nakatani with a straight right counter. But blood kept pouring from the busted nose. The ringside physician took another look at Acosta in the third.

MIdway through the fourth, it was over, a TKO. declared by the referee on advice from the physician.

“I hope everybody liked it,” Nakatani said through an interpreter.

Everybody did.

Xander Zayas wins unanimous decision

It was a tough way to celebrate a birthday. But.leading middleweight prospect Xander Zayas (10-0, 7 KOs) did, absorbing some heavy right hand from Jose Luis Sanchez before winning a solid (60-53, 60-54, 60-53) decision on the Oscar Valdez-Robson Conceicao undercard.

Sanchez (11-2-1, 4 KOs), of Albuquerque, tested Zayas’ with his power, once in the third round and again in the fourth. But the Puerto Rican, now 19, battled back each time, returning fire with beautifully-placed uppercuts

Junior welterweight prospect scores second-round TKO

Lindolfo Delagado (13-0, 12 KOs), a Mexican junior-welterweight trained by  Robert Garcia,  continued to pour on the heat, overwhelming an overmatched Miguel Zamudio (45-17-1, 28 KOs), also of Mexico. Delgado rocked Zamudio early in the second, then left him defenseless and beaten moments later for a TKO at 50 seconds of the round. 

KO body punch punctuates second bout on Valdez-Conceicao card

Mexican junior-lightweight Rene Tellez Giron (16-1, 10 KOs) got a stoppage string rolling, throwing a body punch in the seventh round that could be heard on the other side of the border with Mexico in the second bout on the Va;dez-Conceicao card. Eduardo Garza (15-5-1, 8 K)s), of Mission, Texas, collapsed, finished at 44 seconds of the round.

First Bell: Valdez-Conceicao card begins with hot KO

It was 102 degrees at first bell. It was hot enough to stay inside. Maybe that’s why Mexican junior-welterweight Omar Aquilar didn’t waste much time.

Aquilar (22-0, 21 KOs),  a Mexican fighting as if he planned to get back into air-conditioning as fast as possible, knocked down Carlos Manuel Portillo late in the first round and then twice during the first minute of the second in the first bout an an ESPN+ card featuring Oscar Valdez-Robson Conceicao Friday at an outdoor amphitheater next to Casino del Sol.

Portillo (22-4, 17 KOS), of Paraquay, couldn’t take the heat — from either Aguliar or from the mid-afternoon sun in the Arizona  desert. He was finished, knocked out at 55 seconds of the second. 

LAS VEGAS – No dispute.

Josh Taylor made sure of it, knocking down Jose Ramirez twice enroute to winning all of the pieces to the junior-welterweight title with unanimous decision Saturday night in front of a small crowd at Virgin Hotels and an ESPN audience.

 The judges scored it the same way. It was 114-112 — once, twice, three times — all for Taylor. The margin was only two points, a nod perhaps to Ramirez’ toughness. But the difference between the two was clear, indisputable. There was no argument. No need for a rematch.

Taylor moved toward an even bigger date, perhaps with leading pound-for-pound contender Terence Crawford at a heavier weight, welter. But there were no lingering questions Saturday about who he was. There’s not a better 140-pound fighter on this planet or any other.

“I have been waiting for this moment all my life,’’ he said to a crowd of fellow Scots who chanted his name and waved the Scottish flag.

Taylor (18-0, 13 KOs) seized the moment midway through the fight with all of his advertised guile and power. He had promised to knock out Ramirez (26-1, 12 KOs). But that was the only promise he didn’t keep. He knocked put everything else, including some early doubt.  

Ramirez was first to enter the ring, wearing a robe in bright colors and dark shoes. Taylor followed, clad in Scottish tartan and a waistband in gold. It was a clash of culture. A clash of colors. A clash of styles.

After a couple of days marked by escalating trash talk, they had finally arrived at the moment when they would communicate with hands bound in white gloves and loaded with dark intent.  

Ramirez was the first to strike. For three plus rounds, he moved forward throwing right hand leads with his first step toward Taylor. It appeared to surprise Taylor. For few moments, the Scotsman looked uncertain, even dazed. But he would recover, adjust and mount the fight’s second and third strikes.

Late in the fourth and throughout the fifth, Taylor seemed to regain his footing and eventually the momentum. He imposed his will, if not his superior height on Ramirez, moving forward in much the same way that Ramirez had in the earlier rounds.

In the sixth, Taylor caught, a left-handed counter that landed on Ramirez’ chin and dropped him onto the canvas. In the seventh, Taylor struck again, this time in the split second after referee Kenny Bayless separated them. Bayless stepped back from the break and Taylor fired a left uppercut.

Ramirez was back on the canvas, down for a second time. He got up. But the spring in that first forward step was gone.

Suddenly, Taylor looked bigger.

Looked stronger.

Looked to be in control.

He was.

“We used his aggression against him,’’ Taylor said. “No disrespect. I’ve got nothing but love for Ramirez. This week was no disrespect. It was all part of the mind games to get in his head, to make him more eager to jump in at me and be more aggressive, to use his aggression against him.”

Ramirez wasn’t finished after the knockdowns. He never is. He carried on the fight with the resilience that has been a trademark to his career and his character. In the eleventh, an incoming Ramirez appeared to stun Taylor, who fell into him and then hung onto him. But it wasn’t enough and Taylor knew it. He waved a gloved right hand at the crowd, limited to 750 people by COVID protocol, as he walked to his corner after the eleventh.

One more round, and there would be no dispute.  

“I’ve got nothing but love for Ramirez. This week was no disrespect. It was all part of the mind games to get in his head, to make him more eager to jump in at me and be more aggressive, to use his aggression against him.

“I thought the scorecards were a little tight. I thought they were well wider than that. I wasn’t too happy with the selection of the judges, but I wasn’t going to moan. I was confident in winning this fight anyway.”

Ramirez said, “He took advantage of some of those clinches but, hey, I got back up and tried to give it my best and stay smart. I was never hurt. I was aware. I was just disappointed every time it happened. I tried to shake it off and get back to my rhythm. But it was overall a good fight. Hopefully, I get back and I learn from my mistakes. You win some and you lose some. 

“I felt like I landed some clean shots. It came down to the clinches. He would let his hands go as soon as he got his chance and I think I left it to the referee to do his part and it was a lack of experience on my part.”

Zepeda Decisions Lundy

Jose Zepeda didn’t have much time to celebrate. He won with precise punches. Then, he went back to work as a hopeful observer.

Zepeda (34-2, 26 KOs) kept himself in line for a junior-welterweight title with a unanimous decision, 98–92 on all three cards, over Hank Lundy (31-9-1, 14 KOs) Saturday in the Theater at Virgin Hotels.

Then, he took seat, hopeful for a shot at the winner of the next fight, Jose Ramirez-versus-Josh Taylor for all of the pieces to the 140-pound title. Zepeda, of Long Beach, Calif., looked solid against Lundy, a Philadelphia fighter. For 10 rounds, it was all business for Zepeda, who was coming off a wild Fight of the Year in October when he got up from four knockdowns to knock out Ivan Baranchyk. In 2019, he lost a majority decision to Ramirez.     

Sims Upsets Rodriguez via Majority Decision

The show began with an upset. Kenneth Sims Jr. scored it, opening the ESPN telecast for the Jose Ramirez-Josh Taylor bout with a stunner, a majority decision over junior-welterweight prospect Elvis Rodriquez at Las Vegas’ Virgin Hotels. Rodriguez (11-1-1, 10 KOs), of the Dominican Republic, started strong. But he appeared to tire midway through the eight-rounder. Sims (16-2-1, 5 KOs), began to catch up with him, rocking him with repeated blows and staggering him in the closing moments of a bout that ended with him leading on two cards, 78-74 on each. On the third, it was a draw, 76–76.  

Sims remarked, “I got a baby on the way, so that’s all the extra motivation I needed.” 

Mexican featherweight Jose Vivas overcame two knockdowns and a point reduction for a low blow to score a unanimous, yet narrow decision over Louie Coria of Moreno Valley, Calif. Vivas (21-1, 11 KOs) looked beaten in the third when Coria (12-5, 7 KOs) dropped him twice. But Rivas, a Manny Robles-trained fighter, came roaring back with an aggressive inside attack. Over the next five rounds, Vivas rocked him with repeated body blows. The judges noticed. All three scored it, 75-74, for him in the final fight on the ESPN+ portion of the Ramirez-Taylor card. 

Las Vegas junior-lightweight Andres Cortes (14-0, 7 KOs) relied on aggressiveness in a tough fight to stay unbeaten, scoring a 77-75, 78-74, 75-3 decision over Eduardo Garza (15-4-1, 8 KOs), a Texas fighter who kept it close with body punching throughout eight rounds of the fourth fight on Ramirez-Taylor card.  

Cuban featherweight Robeisy Ramirez (7-1, 4 KOs) combined precision and power to score repeatedly over six rounds for a one-sided decision over Ryan Allen (10-5-1, 5 KOs) of Las Vegas. Allen’s hands-down defense left him wide open for repeated blows from Ramirez throughout the third bout on the Jose Ramirez-Josh Taylor card.  

Raymond Muratalia (12-0 10 KOs), a lightweight from Fontana, Calif.,  had all the advantages. His strength, size and power overwhelmed Jose Gallegos (20-11, 15 KOs) midway through the fifth round of a scheduled eight-rounder. It was over, a TKO, at 1:40 of the round during the second fight on card featuring Jose Ramirez-Josh Taylor at Las Vegas’ Virgin Hotels.

Javier Martinez remained undefeated with a fourth round stoppage over Calvin Metcalf in a scheduled six-round middleweight bout.

In round four, Martinez landed a perfect right hook to the head that sent Metcalf down and out at 1:33.

Martinez, 162.5 lbs of Milwaukee, WI is 4-0 with two knockouts. Metcalf, 160.4 lbs of Kansas City, MO is 10-6-1.