No matter what Kayla Harrison or her team says to the contrary, nothing will convince Julianna Peña that her UFC 316 title challenger is bending the system.
Since the stars aligned for Harrison (18-1 MMA, 2-0 UFC) to challenge for gold on the June 7 card at Prudential Center in Newark, N.J. (ESPN+ pay-per-view), reigning champion Peña (11-5 MMA, 8-3 UFC) has not been shy with accusations of performance-enhancing drug use.
Peña is convinced that two-time Olympic gold medalist Harrison has been cheating since well before she found success in MMA competition, and even though there are no positive results for banned substances throughout more than a decade of documented testing, that doesn’t change the champion’s mind.
“They act like there’s never been an Olympian who has busted for steroids,” Peña told MMA Junkie on Friday. “Then you look at that Icarus documentary and you see the lengths these Russians and other teams would go to pass these drug tests because they know they would piss hot if they took a real drug test. People that do these kinds of things are so smart that they know it down to a science, how to get off, when to cycle off, when to go on and when not to. “
After Peña’s latest comments, Harrison’s head coach, Mike Brown of American Top Team, told MMA Fighting that all accusations are entirely unfounded and that his student is a one-of-a-kind athlete.
Peña admits she would probably back off the topic if she were alone in perspective. However, she said she looks around at the opinions of fight fans and others in the MMA community and has a hard time being convinced that she’s wrong.
“In the history of my entire career since 2013 in the UFC, never has PED use or steroids ever been a hot topic or something that’s ever been discussed about any opponent that I’ve ever had,” Peña said. “This is the first and only time. So it’s not just me. Make her answer, because I think that everybody is seeing the same thing that I’m seeing and I’m the one saying it out loud, but you guys are bringing the questions to me. You should be bringing the questions to her. And I don’t care how much she says she’s been tested and how clean she is, that’s what Lance Armstrong said too, and you would’ve believed him every freaking time he said it. He wasn’t. It’s one of those things where people are smart. They know how to cheat the system and it’s a question she needs to answer, not me.”
Peña, 35, is clear that unless Harrison, 34, is taken out of UFC 316 by outside forces, they will be fighting for the belt regardless of her opinion. That said, she admits she could enter the first defense of her second 135-pound title reign with more confidence in competing on an even playing field.
That comes down to the oversight of the contest, which Peña doesn’t think is at the standard it should be. From June 2016 to the end of 2024, the UFC’s drug-testing program was regulated by the U.S. Anti-Doping Agency (USADA), which has also had Olympic oversight for decades.
At the start of 2025, however, the UFC switched its testing program to Drug Free Sport International, which Peña thinks is a lesser system.
“I feel like it’s not that great,” Peña said. “I felt more comfortable actually with this Icarus bottles, peeing into those Icarus bottles than I do now. Honestly. It’s just this little plastic cup that you just barely flip the tab on, and it would be so easy (to cheat). I can only focus on myself, and I can only speak in ‘I’ statements, and I only know what I’m doing. But I don’t like the way that the testing system is now. I think that it is a lot more lax than ever before.”
Regardless of whether Harrison is at an advantage or not, Peña said she is going to successfully defend her title. She thinks Harrison doesn’t present much danger, and as long as she gets past the early pressure, it will be smooth sailing.
“She’s going to try to lay on top of me for 25 minutes,” Peña said. “She might try to throw me one time, but after that is where she is going to have a lot of contention with me. She’s not going to be able to hold me down for 25 minutes. The longer this fight goes, the better it is for me.”
