UFC 209: Woodley vs. Thompson 2 is a mixed martial arts event produced by the Ultimate Fighting Championship and the main event is a Welterweight title fight between the current champion Tyron "The Chosen One" Woodley (16-3-1, 6 KO's) fighting out of St. Louis, Missouri and his challenger five-time kickboxing world champion Stephen "Wonderboy" Thompson (13-1-1, 7 KO's) fighting out of Simpsonville, South Carolina. This is the 2nd meeting between these two fighters as they previously fought on 12 November 2016 in UFC 205. Woodley was also the champion during their first encounter that ended in 5 minute time limit draw. Tonight's card is airing live from the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area.

The scheduled undercard bouts on tonight's card are as follows:

Featherweight: Darren Elkins vs. Mirsad Bektić

Heavyweight: Alistair Overeem vs. Mark Hunt

Heavyweight: Todd Duffee vs. Mark Godbeer

Light Heavyweight: Igor Pokrajac vs. Ed Herman

Lightweight: Khabib Nurmagomedov vs. Tony Ferguson

Lightweight: Lando Vannata vs. David Teymur

Main Card
Stipe Miocic (c) vs. Junior dos Santos
Joanna Jędrzejczyk (c) vs. Jéssica Andrade
Frankie Edgar vs. Yair Rodríguez
Demian Maia vs. Jorge Masvidal
Henry Cejudo vs. Sergio Pettis

Preliminary Card (Fox Sports 1)
Eddie Alvarez vs. Dustin Poirier
Chas Skelly vs. Jason Knight
Krzysztof Jotko vs. David Branch
Marco Polo Reyes vs. James Vick

Preliminary Card (UFC Fight Pass)
Gabriel Benítez vs. Enrique Barzola