RIO DE JANEIRO -- UFC featherweight champion Jose Aldo was randomly drug tested last Thursday in Brazil, but the urine sample was discarded after local authorities found out that Drug Free Sport’s Ben Mosier didn’t have a proper visa to work in Brazil. Aldo was tested again on Friday by Brazilian MMA Athletic Commission (CABMMA), but UFC 189 opponent Conor McGregor was suspicious about it.

McGregor called Aldo a "little weasel", and also targeted his coach Andre Pederneiras after the whole thing was over, and the Nova Uniao stars decided to respond.

"I don’t care what he says. He doesn’t know what happened here," Pederneiras said during a press conference on Tuesday. "When they came to us, Aldo immediately did the test. It was weird because no one from the Brazilian commission knew about this. At first, he said he was from the (Nevada) commission, and then I asked for a document and he said he was from a lab, so I decided to call the (Brazilian) athletic commission. I called them, and they had no idea about the test.

"(CABMMA’s) Cristiano (Sampaio) came here and realized that there was also an issue about his visa. I don’t think anyone can go to the United States and work illegally there. You would be arrested and deported immediately, and that’s not what happened with him here. Actually, after all this mess, he was notified and given eight days to leave the country."

According to Pederneiras, CABMMA couldn’t do the test on Thursday because they had to wait for a WADA-accredited collector to fly from Brasilia to Rio de Janeiro.

"They needed to get this sample collector, the guy that does doping control in Brazil, a doctor from the athletic commission, and he lives in Brasilia and had to travel to Rio," he said. "We asked (Mosier) to stay one more day and follow the test so we wouldn’t have any problem with it. It would be impossible to do it in a cleaner way."

Aldo insists he "didn’t do anything wrong at any point", and is open to more pre-fight testing.

"This guy came here, I pissed. I did my job, put the thing in the cup and give it to him," Aldo said. "It was a big mess, and at the same time I had to train. I came here at 10 a.m. and he was already waiting for me. I came back the next day and thank god it finally happened. I pissed again. This guy saw me more naked more than my wife. Man, two days in a row. But everything went fine.

"I’m an athlete and they want to prove anything, so I went there and did everything right, everything I had to do. If they come here again, they know where to find me. They have my address, gym’s address, they know where I am. I gave them all my information, my phone number. They can come here if they want."

Speaking of the "little weasel" comment, Aldo promises to respond him inside the Octagon.

"I will answer him in there," he said. "He can say whatever he wants. He can try anything he wants. In there, when we are face to face, I will answer him. He will see what he got himself into."

McGregor tweeted that he was randomly tested on May 23, during UFC 187, and Pederneiras isn’t sure about it.

"Everything McGregor says is to get attention from the media," "Dede" said. "He didn’t even know what was going on here and talked about it. But he said he was tested on May 23, the day of Vitor’s fight with Weidman, but if you look at his Twitter and social media, you won’t see him talking anything about being tested. For a guy that loves to talk about himself, not talking about being tested in an event that important is weird."