To start with, Nogueira was a consensus top 10 HW from 2000-2013 (13 years) and a consensus top 5 HW from 2001-2010 (9 years).
Nogueira - 13 ranked victories
#1 fighters defeated (1):
Coleman
Top 5 fighters defeated (5):
Cro Cop
Sylvia
Herring 1
Barnett 2
Rodriguez
Top 10 fighters defeated (7):
Couture
Werdum
Herring 2
Kharitonov
Schaub
Schilt
Overeem
Nogueira without question has one of the deepest and longest reigning runs as an elite fighter in the history of our sport. Attempting to diminish his accomplishments due to a single loss three years removed from his retirement is some next level galaxy brain stuff.