Return from injury and World Championship reigns (2008-2010)

Most Championship reigns in UFC history (5)

Championship reigns (2008-2009)

Championship reigns were determined by professional wrestling matches, in which competitors were involved in scripted rivalries.

Championship reigns (2009-2011)

Debut and Championship reigns (1993-1995)

Women's Championship reigns (2009-2011)

Heavyweight Championship reigns (1999-2005)

Championship reigns (2011-2012)

Championship reigns (2013-present)