| UFC 21: Return of the Champions | ||||
|---|---|---|---|---|
 The poster for UFC 21: Return of the Champions | ||||
| Promotion | Ultimate Fighting Championship | |||
| Date | July 16, 1999 | |||
| Venue | Five Seasons Events Center | |||
| City | Cedar Rapids, Iowa | |||
| Event chronology | ||||
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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.