UFC Fight Night 20: Maynard vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on January 11, 2010 at the Patriot Center in Fairfax, Virginia.
Gray Maynard
Nate Diaz
Evan Dunham
Efrain Escudero
Aaron Simpson
Thomas Joseph Lawlor
Amir Sadollah
Brad Blackburn
Chris Leben
Jay Silva
Rick Story
Jesse Lennox
Thiago Tavares
Nik Lentz
Rory MacDonald
Mike Guymon
Rafael dos Anjos
Kyle Bradley
Gerald Harris
John Salter
Nick Catone
Jesse Forbes