The UFC Fight Night 20 fight card is now complete following the official additions of Amir Sadollah vs. Brad Blackburn and Thiago Tavares vs. Nik Lentz to the January 9 Spike TV-televised event.

UFC Fight Night 20 takes place at the Patriot Center in Fairfax, Virginia and is headlined by a matchup between lightweight contender Gray Maynard and The Ultimate Fighter 5 winner Nate Diaz.

The event’s now-complete fight card features:

MAIN CARD

• Nate Diaz vs. Gray Maynard
• Evan Dunham vs. Efrain Escudero
• Tom Lawlor vs. Aaron Simpson
• Brad Blackburn vs. Amir Sadollah

PRELIMINARY CARD

• Chris Leben vs. Jay Silva
• Jesse Lennox vs. Rick Story
• Nik Lentz vs. Thiago Tavares
• Mike Guymon vs. Rory MacDonald
• Kyle Bradley vs. Rafael dos Anjos
• Tim Credeur vs. Mike Massenzio
• Nick Catone vs. Steve Steinbeiss

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Pictured: Amir Sadollah