Ronda Rousey just made MMA history ... becoming the very first female fighter to join the UFC ... TMZ has learned.
Rousey -- a former U.S. Olympian -- has officially joined Dana White's MMA organization ... and automatically becomes the 135 lb women's champion.
We're told 25-year-old Ronda will defend her title in 2013 -- possible opponents include Sara McMann, Cris Cyborg and rival Miesha Tate.
read entire article...
Related MMA gear from the UG Store