Watch UFC 100: Lesnar vs. Mir 2 together — synced playback, live chat and reactions. Up to 12 people.
UFC 100 was a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) on July 11, 2009, in Las Vegas, Nevada. The main event was a rematch between UFC Heavyweight Champion Brock Lesnar and Interim UFC Heavyweight Champion Frank Mir.
