Just one Brazilian chump left
Imagine if Mendes gets the belt from Aldo, or if Aldo moves up to vacate and fight Pettis and loses. Not saying either would happen, but it's definitely possible.
Aldo has stood the test of time so far. 5 years #1 in his weight class. That's a long time.
In contrast, Renan was #1 in his weight class for 1 year.