Tiểu sử tiếng Anh — chưa có bản tiếng Việt
Casey Olson is an American mixed martial arts fighter currently competing in the lightweight division.
WEC 16: Clash of the Titans 2
Self · 2005
WEC 18: Unfinished Business
Self · 2006
WEC 23: Hot August Fights
Strikeforce Challengers 4: Gurgel vs. Evangelista
Self · 2009
WEC 22: The Hitman
Strikeforce: Tank vs Buentello
