An upcoming mixed martial arts event is to be held by the Ultimate Fighting Championship (UFC) on February 21, 2009 at The O2 Arena in London, England.
Main event:
155 lbs.: Diego Sanchez (19-2) vs. Joe Stevenson (29-9)
Main card (Televised):
170 lbs.: Dan Hardy (20–6) vs. Rory Markham (16-4)
185 lbs.: Nate Marquardt (27-8-2) vs. Wilson Gouveia (12-5)
185 lbs.: Demian Maia (9-0) vs. Chael Sonnen (21-9-1)
170 lbs.: Josh Koscheck (12-3) vs. Paulo Thiago (7-0)