UFC 21: Return of the Champions was a mixed martial arts event held by the Ultimate Fighting Championship on July 16, 1999 at the Five Seasons Events Center in Cedar Rapids, Iowa. The event was seen live on pay per view in the United States, and later released on home video.

UFC 26: Ultimate Field Of Dreams was a mixed martial arts event held by the Ultimate Fighting Championship on June 9, 2000 in Cedar Rapids, Iowa. The main card featured Welterweight Champion Pat Miletich defending his title against John Alessio, and Heavyweight Champion Kevin Randleman defending his title against Pedro Rizzo.