UFC 12: Judgement Day was a mixed martial arts event held by the Ultimate Fighting Championship on February 7, 1997 at the Dothan Civic Center in Dothan, Alabama. The event was seen live on pay per view in the United States, and later released on home video.

UFC 12: Judgement Day

Pride 4 was a mixed martial arts event held by KRS-Pride (later renamed Pride Fighting Championships). It took place at the Tokyo Dome in Tokyo, Japan, on October 11, 1998.

Pride 4

Pride 15: Raging Rumble was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Saitama Super Arena in Saitama, Japan on July 29, 2001.

Pride 15: Raging Rumble

Pride 19: Bad Blood was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Saitama Super Arena in Saitama, Japan on February 24, 2002.