There was a time when the majority of UFC champions were Caucasian Americans made up the majority of the UFC roster and the title holders. It seems obvious that as the sport has exploded, the roster has diversified, and the UFC has expanded around the world that the champions would reflect that. It's obvious but still cool.
Heavyweight- Mexican American
Light Heavyweight- African American
Middleweight- African American
Welterweight- Caucasian Canadian
Lightweight- African/Korean American
Featherweight- African Brazilian
Bantamweight- Caucasian American
Flyweight- African AmericanCompared to a time when Frank Mir, Chuck Liddel, Rich Franklin, Matt Hughes and BJ Penn reigned supreme.