{"id":41029,"date":"2026-10-13T06:43:32","date_gmt":"2026-10-13T06:43:32","guid":{"rendered":"https:\/\/www.sherdog.com\/news\/news\/Exclusive-Ketlen-Vieira-suspended-6-months-after-positive-test-following-Cyborg-fight-203196"},"modified":"2026-10-13T06:43:32","modified_gmt":"2026-10-13T06:43:32","slug":"exclusive-ketlen-vieira-suspended-6-months-after-positive-test-following-cyborg-fight","status":"publish","type":"post","link":"https:\/\/www.martialartskleinanzeigen.com\/videos\/exclusive-ketlen-vieira-suspended-6-months-after-positive-test-following-cyborg-fight\/","title":{"rendered":"Exclusive: Ketlen Vieira suspended 6 months after positive test following Cyborg fight"},"content":{"rendered":"<p> <center><!--PICTURE R--><\/p>\n<div class=\"pointer\">\n<center><img decoding=\"async\" src=\"http:\/\/www.martialartskleinanzeigen.com\/videos\/wp-content\/uploads\/2026\/10\/exclusive-ketlen-vieira-suspended-6-months-after-positive-test-following-cyborg-fight.jpg\" width=\"640\" class=\"Picture\"\/><\/center>\n<\/div>\n<p><\/center><\/p>\n<p><b>Cris<br \/>\nCyborg (left) faced several disadvantages against Ketlen Vieira at<br \/>\nPFL Tampa. | \ud83d\udcf7: PFL MMA<\/b><\/p>\n<p><!--\/PICTURE R--><br \/>\n<\/p>\n<hr \/>\n<p>Nearly two months after her 30th mixed martial arts victory,<br \/>\n<a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/fighter\/Cristiane-Justino-14477\">Cris<br \/>\nCyborg<\/a> considers the circumstances surrounding her Aug. 22 bout<br \/>\nwith fellow Brazilian <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/fighter\/Ketlen-Vieira-178961\">Ketlen<br \/>\nVieira<\/a> in Tampa, Fla., to be &#8220;extremely unusual.&#8221;<\/p>\n<p>Vieira missed weight by more than seven pounds, turning the final<br \/>\nfight of Cyborg\u2019s <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/organizations\/Professional-Fighters-League-12241\"><br \/>\nProfessional Fighters League<\/a> contract into a non-title<br \/>\ncontest.<\/p>\n<div id=\"adViAi\">\n<p>Advertisement<\/p>\n<\/div>\n<p> Those circumstances now include a positive test for a steroidal<br \/>\nsubstance banned by the World Anti-Doping Agency, according to Mike<br \/>\nMazzulli, director of the Mohegan Tribe Department of Athletic<br \/>\nRegulation.<\/p>\n<h2>Ketlen Vieira missed weight by more than seven pounds before<br \/>\nCris Cyborg bout; regulator confirms banned steroidal substance in<br \/>\nA and B samples<\/h2>\n<p>Mazzulli told Sherdog.com that analysis of Vieira\u2019s A and B samples<br \/>\nfrom her in-competition collection returned the same adverse<br \/>\nanalytical finding. Mazzulli declined to identify the banned substance but said Vieira<br \/>\nreceived a six-month suspension retroactive to the date of the<br \/>\nfight.<\/p>\n<p>&#8220;Thank you to Mike Mazzulli and everyone involved in maintaining a<br \/>\nserious testing program,&#8221; Cyborg said. &#8220;I believe clean sport<br \/>\ndeserves strong enforcement.&#8221;<\/p>\n<p>Vieira was notified of the positive test and provisionally<br \/>\nsuspended pending the results of her requested &#8220;B&#8221; sample<br \/>\nanalysis.<\/p>\n<p>The Mohegan Tribe Department of Athletic Regulation replaced the<br \/>\nUnited States Anti-Doping Agency as the Professional Fighters<br \/>\nLeague\u2019s anti-doping partner in 2025. It previously oversaw<br \/>\n<a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/organizations\/Bellator-MMA-1960\">Bellator<br \/>\nMMA<\/a>\u2019s drug-testing program.<\/p>\n<p>Representatives for Vieira, the PFL and the Florida Athletic<br \/>\nCommission, which regulated the event, did not respond to requests<br \/>\nfor comment.<\/p>\n<p>The bout was originally scheduled as the first defense of Cyborg\u2019s<br \/>\nPFL women\u2019s featherweight title. The 41-year-old, who won the belt<br \/>\nby beating Australian <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/fighter\/Sara-Collins-341417\">Sara<br \/>\nCollins<\/a> late last year, faced a challenger who had spent nearly<br \/>\na decade in the UFC.<\/p>\n<p>Vieira went 10-5 in the Octagon, alternating wins and losses over<br \/>\nher final four years with the promotion. Her contract ended after a<br \/>\nvictory in May, and the UFC opted against re-signing her.<\/p>\n<p>Three months after a decision win over <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/fighter\/Jacqueline-Cavalcanti-293351\">Jacqueline<br \/>\nCavalcanti<\/a> in her final UFC appearance, Vieira was set to<br \/>\nchallenge Cyborg for the PFL belt in Florida.<\/p>\n<p>But Vieira missed weight, and Cyborg, who made championship weight,<br \/>\nsalvaged the main event by agreeing to a non-title contest at 153<br \/>\npounds.<\/p>\n<p>&#8220;I still accepted the fight and stepped into the cage knowing I<br \/>\nwould be giving up a significant physical advantage,&#8221; Cyborg<br \/>\nsaid.<\/p>\n<p>Vieira told MMAFighting.com that severe kidney and stomach pain<br \/>\nbefore weigh-ins prevented her from reaching the featherweight<br \/>\nlimit.<\/p>\n<p>&#8220;Ketlen, I respect you,&#8221; Cyborg said. &#8220;I know what it takes to step<br \/>\ninto that cage. I wish you nothing but success moving forward.<\/p>\n<p>&#8220;I know fighters can face difficult circumstances during a fight<br \/>\ncamp. I have no interest in attacking her personally.&#8221;<\/p>\n<p>After five rounds against an opponent she described as noticeably<br \/>\nstrong, the <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/organizations\/Strikeforce-716\">Strikeforce<\/a>,<br \/>\n<a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/organizations\/Invicta-Fighting-Championships-4469\"><br \/>\nInvicta<\/a>, <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/organizations\/Ultimate-Fighting-Championship-2\"><br \/>\nUltimate Fighting Championship<\/a>, Bellator and PFL champion was<br \/>\nproud of her performance \u2014 enough to reconsider retirement.<\/p>\n<p>Unbeaten for nearly eight years since losing the UFC featherweight<br \/>\ntitle to <a rel=\"noopener nofollow noreferrer\" href=\"https:\/\/www.sherdog.com\/fighter\/Amanda-Nunes-31496\">Amanda<br \/>\nNunes<\/a>, Cyborg intends to fight twice more in MMA and once in<br \/>\nboxing.<\/p>\n<p>The PFL currently retains the right to match any contract Cyborg<br \/>\nsigns. When that period expires, she can negotiate as an<br \/>\nunrestricted free agent.<\/p>\n<p>&#8220;My career has not been perfect, and I never tried to hide from my<br \/>\npast,&#8221; Cyborg said. &#8220;In 2011, I had a positive test for a banned<br \/>\nsubstance, served my suspension, accepted responsibility for what<br \/>\nwas in my body, and made major changes to the way I managed my team<br \/>\nand supplements. Since then, I have competed under the most<br \/>\nrigorous testing programs in MMA, including testing overseen by<br \/>\nMike Mazzulli and I have continued to pass those tests.<\/p>\n<p>&#8220;That is why I believe strict, independent testing is important. It<br \/>\nprotects the fighters, the sport and the legacy we work our entire<br \/>\nlives to build.&#8221; <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cris Cyborg (left) faced several disadvantages against Ketlen Vieira at PFL Tampa. | \ud83d\udcf7: PFL MMA Nearly two months after her 30th mixed martial arts victory, Cris Cyborg considers the circumstances surrounding her Aug. 22 bout with fellow Brazilian Ketlen Vieira in Tampa, Fla., to be &#8220;extremely unusual.&#8221; Vieira missed weight by more than seven [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":41030,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[150],"tags":[],"class_list":["post-41029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-martial-arts-news"],"_links":{"self":[{"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/posts\/41029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/comments?post=41029"}],"version-history":[{"count":0,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/posts\/41029\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/media\/41030"}],"wp:attachment":[{"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/media?parent=41029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/categories?post=41029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.martialartskleinanzeigen.com\/videos\/wp-json\/wp\/v2\/tags?post=41029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}