UFC commentator Joe Rogan says Conor McGregor 'looks like his piss would melt' a drug-testing cup

• Conor McGregor's urine would burn a hole in drug-testing cups, according to Joe Rogan.
• The UFC commentator isn't the only one with suspicions about the fighter's "jacked" new physique.

UFC commentator Joe Rogan does not seem to believe that Conor McGregor's new physique was built legitimately, and even suggested on the latest episode of his Spotify show that the fighter would fail performance-enhancing drug tests.

"He's taking his shirt off and posing constantly, and he looks like his piss would melt that USADA cup," Rogan told fitness influencer, 'Derek Fitness,' from the More Plates More Dates podcast.

McGregor has not fought since suffering back-to-back losses to Dustin Poirier.

The most recent defeat was July 2021, when he broke his leg at the end of the first round, got withdrawn from the contest, and hurled obscenities at Poirier in an unhinged rant before leaving the Las Vegas arena on a stretcher.

UFC boss Dana White anticipated McGregor would be out of action for an entire year, and a return for International Fight Week in July 2022 had been rumored.

However, the former UFC two-weight champ has still not been seen in an Octagon since as he continues his recovery to full fitness.

During Rogan's podcast, he and Derek Fitness talked about types of performance-enhancing drugs that might be beneficial in a situation like the one McGregor found himself in of late.

"HGH, peptides, androgens are very restorative – like they'll reinforce bone mineral density," Derek Fitness — known for exposing Liver King as a steroid user — told Rogan.

"There's certain stuff that's going to stay in the system for a long time he could never use," the influencer warned.

"But on the bio-identical side, anything pro-bone integrity, infrastructure enforcing. I would be highly incentivized, if I was him and I wasn't being tested, I'd be pushing that vector hard."

McGregor's urine would 'burn a hole' through a drug-testing cup, according to Rogan

A post shared by Conor McGregor Official (@thenotoriousmma)

Also on the podcast, Rogan said he was sure McGregor's urine would test positive for drugs if the United States Anti-Doping Agency (USADA) had collected a sample recently.

"It would just like burn a hole right through the bottom of that USADA cup," he said.

"The weird thing is that there is a loophole in USADA that allows you to get out of the testing pool. You can get out of the testing pool and just juice up."

Insider contacted a representative of McGregor's for comment on the details of this story but did not receive an immediate response.

Athletes are also suspicious of McGregor

Following his UFC win Saturday over Bryan Barberena, 38-year-old MMA veteran Rafael dos Anjos continued his campaign to be McGregor's comeback opponent.

Dos Anjos is curious why McGregor would remove himself from the drug-testing pool.

As Aaron Bronsteter for TSN reported in September that McGregor was the only athlete in UFC's entire active roster who had not been tested for drugs by USADA in 2022.

TSN reported that, according to the UFC's own anti-doping policy, fighters are subject to year-round testing at random.

McGregor said in a November tweet that he'll re-enter the pool in 2023.

—Conor McGregor (@TheNotoriousMMA) November 24, 2022

It has left other competitors perplexed.

"Looks like he's juicing up," said dos Anjos during The MMA Hour show Monday. "He's not going to fight at 155-pounds anymore, he's going to fight at 170."

The host of the show, Ariel Helwani, later asked dos Anjos if he truly believes McGregor is taking performance-enhancing drugs.

A laugh can be heard off-camera before dos Anjos said: "Why would he remove himself from the USADA pool? He looked jacked. He looked big."

Insider also contacted a representative of McGregor's for a response regarding these comments from dos Anjos, but did not receive an immediate response.