Ronda Rousey aims to quiet critics once again as she defends her title against Sarah Kaufman (Yahoo! Sports)

Ronda Rousey is a lightning rod for criticism because of her fast rise to MMA and popular stardom but the bottom line is she is unbeaten.

Source: http://us.rd.yahoo.com/sports/rss/mma/SIG=13humcmjk/*http%3A//sports.yahoo.com/news/mma--ronda-rousey-aims-to-quiet-critics-defends-title-against-sarah-kaufman.html

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