UFC strawweight Jessica Penne has been flagged by the U.S. Anti-Doping Agency for a potential UFC Anti-Doping Violation.
Watch Joanna Jedrzejczyk's first title defense when she defeated Jessica Penne in 2015.
Following Eddie Alvarez' finish of Rafael dos Anjos in the UFC Fight Night 90 main event to capture the lightweight title on Thursday, fighters reacted
The 26 fighters competing on Saturday's UFC 199: Rockhold vs. Bipsing 2 fight card officially weighed in on Friday at The Forum in Los Angeles.
Watch the official weigh-in for UFC 199: Rockhold vs Bisping 2 streaming live from The Forum in Los Angeles on Friday at 7 p.m. ET
The fighters participating on Saturday's UFC 199 pay-per-view event took the stage in California on Thursday. Watch as they faced off with their opponents.
Jessica Andrade drops to 115 pounds to face Jessica Penne at UFC 199 on June 4 in Los Angeles.
Like millions of Americans, UFC fighters were glued to their televisions on Sunday watching Super Bowl 50. The Denver Broncos won, and fighters took
Stephen "Wonderboy" Thompson impressed everyone with his first-round finish of former welterweight champion Johny Hendricks in the UFC Fight Night 82 main event.
Following Dominick Cruz winning back the UFC bantamweight title on Sunday, fighters took to Twitter with their reactions.
Joanna Jedrzejczyk knockouts, Ronda Rousey armbars and punches... re-live the five greatest finishes in UFC women's championship bouts.
Joanna Jedrzejczyk dominated in her first title defense against Jessica Penne, knocking her out in the third round.
UFC women’s strawwegiht champion Joanna Jędrzejczyk dismantled third-ranked Jessica Penne at UFC Fight Night 69. Their peers reacted via Twitter.
UFC women’s strawweight champion Joanna Jedrzejczyk continued her dominance over the women’s strawweight division on Saturday by finishing third-ranked Jessica Penne by TKO.
Full live results from UFC Fight Night 69: Jedrzejczyk vs. Penne from Berlin. The main event features Joanna Jedrzejczyk vs. Jessica Penne.
As the first Polish UFC champion, Joanna Jedrzejczyk explains how she accomplished one of her biggest dreams inside the Octagon.
Jessica Penne predicts that she'll take the UFC women's strawweight belt from Joanna Jedrzejczyk in Berln on Saturday by submitting the champion.
Before the 22 fighters competing on the UFC Fight Night 69 fight card step inside the octagon on Saturday, they had to officially weigh-in on
Things got a little physical between champion Joanna Jedrzejczyk and challenger Jessica Penne at Friday's UFC Fight Night 69 weigh-in in Berlin.
UFC women's strawweight Jessica Penne talks about her development as a fighter heading into her UFC Fight Night Berlin title fight against champion Joanna Jedrzejczyk.
Watch the official weigh-in for UFC Fight Night 69: Jedrzejczyk vs. Penne streaming live from Berlin, Germany, on Friday at 10 a.m. ET/7 a.m. PT.
UFC fighter and analyst Dan Hardy breaks down Saturday's UFC Fight Night 69: Jedrzejczyk vs. Penne fight card from top to bottom.
UFC strawweight champion Joanna Jedrzejczyk and challenger Jessica Penne get in some heated staredown action ahead of Saturday's headlining title fight in Berlin.
Joanna Jedrzejczyk puts her UFC strawweight championship on the line against Jessica Penne on Saturday, but check out how she took the belt from Carla
Jessica Penne challenges Joanna Jedrzejczyk for the UFC belt on Saturday, but first, check out her final Invicta FC fight.
Alexander Gustafsson has been forced out of UFC Berlin, so the UFC has enlisted Joanna Jedrzejczyk to make the first defense of her strawweight championship.
Newly signed UFC strawweight Michelle Waterson will make her promotional debut at the Ultimate Fighter 21 Finale, officials announced late Wednesday evening.
Following Anthony Johnson’s first-round finish of Alexander Gustafsson at UFC on Fox 14 in Stockholm on Saturday, fighters took to Twitter to react.
Women’s mixed martial arts continued to make its mark on MMA’s biggest stage in 2014, but a few women's performances stood above the rest.
Carla Esparza not only became the first UFC women’s strawweight champion on Friday night, she also led the charge on the post-fight fighter bonuses.
Click an image below for Ring Girl Gallery
UFC Fight Night: Fresno
UFC on FOX 26: Winnipeg
UFC 219: Las Vegas
UFC Fight Night: St. Louis
UFC 220: Boston
UFC on FOX 27: Charlotte
UFC Fight Night: Belém
UFC 221: Perth
UFC Fight Night: Austin
UFC on FOX 28: Orlando
UFC 222: Pasadena
UFC Fight Night 127: London