Israel Mercado was extremely unfortunate not to taste victory on the undercard of Rolly Romero vs Teofimo Lopez.14-fight unbeaten prospect Carlos Utria was his opponent, a 22-year-old Colombian prospect who was hoping to extend his streak.Mercado was beaten in a shock decision on the judges’ scorecards, despite putting on a brilliant display in Sin CityGettyUtria was a relieved man, as the crowd booed, with many declaring the decision a ‘robbery’GettyBut the American had the crowd on his side and was determined to make a big name for himself on the huge global platform provided by Romero and Lopez.Mercado hadn’t fought in a year, and renowned boxing journalist Mannix suggested that he had even taken the fight despite Utria missing weight.And the rugged star put in a brilliant performance, but justice wasn’t served as the judges’ tallies were read out.Utria beats Mercado in scorecard controversyMercado was a real match for Utria who knew he had his hands full from the very opening bell.The ten round contest was back and forth but in larger spells, it was the underdog who was pushing the pace.Utria showed he had the skills to control the bout during some periods, but throughout, the perceived challenger was holding his own.Mercado was a crafty puncher, and in the final two rounds showed exactly why he deserved the decision.He upped the tempo and had a late final wind, which most inside the arena on and on the DAZN broadcast thought would be enough to clinch victory.Most were expecting Mercado to at least done enough to have clinched a draw as the bout went to the judges’ scorecards.But Utria clinched one scorecard first at 96-94 in his favour in a real shock.View Tweet: https://x.com/hashtag/Boxing?src=hash&ref_src=twsrc%5EtfwThe tally that stunned fans saw him read out as a 97-93 split decision winner after judge Patricia Morse’s card.Fans were furious inside the arena and booed loudly as the final decision was read out, and Utria was a fortunate victory.It meant the Colombian ran out and kept his formidable unbeaten record, but screams for a rematch echoed around the hallowed arena.Fans react furiously to Utria vs Mercado decisionCommentators Todd Grisham and Sergio Mora were furious with the decision.Notably Mora demanded that the 97-93 card was disgraceful, and believed it should face inquest.Fans also reacted in their droves, with one writing: “It is disgusting, a total robbery.”Watch Boxing on DAZN*If you click a link in this boxout, we will earn affiliate revenueSign up to DAZN to access the definitive subscription for boxing fans.Upgrade to DAZN Ultimate from just £24.99/month, guaranteeing access to 185+ fights annually, a minimum of 12 pay-per-views at no extra cost, as well as every Lega Serie A match and other elite football access.Alternatively, DAZN Standard is just £15.99/month, with the caveat you will have to pay for pay-per-view events.Click here to sign up.Another wrote: “Mercado is so unlucky there. 97-93 is a joke.A fan further agreed: “Disgusting decision in Vegas. Utria wins SPLIT – Mercado completely robbed. BULL****.”One final fan concluded: “A disgraceful robbery, he must give Mercado the rematch.”