- 1,612
- 9
- 38
"My mom was asking me so much to do this (retire) for so long, she can't take it anymore," Nunes said.
"My partner as well, Nina, she's been around so much with me my whole career. I decided right now I'm still young enough to enjoy everything that I made. I've got to travel, I want to be with my family."
Aldana, of Mexico, fell to 14-6. Nunes finished with 197 total strikes to 49 for Aldana, and led in significant strikes 147-38.
The co-main event saw lightweight Charles Oliveira, also of Brazil, take out Beneil Dariush of the U.S. by technical knockout at 4:10 of the first round.
Oliveira, a former lightweight champ, ran his record to 34-9, while Dariush fell to 22-5-1.
Other winners on the main card were welterweight Mike Malott (submission), featherweight Dan Ige (unanimous decision) and middleweight Marc-Andre Barriault (unanimous decision).