Former champions Lyoto Machida, Mauricio Rua earn knockout wins at UFC on Fox 4 (Yahoo! Sports)

On a night when Dana White said the most impressive performance would earn the next shot at the light heavyweight title, two former champs stood out above the rest.

Source: http://us.rd.yahoo.com/sports/rss/mma/SIG=13qd57bq0/*http%3A//sports.yahoo.com/news/mma--former-champions-lyoto-machida--mauricio-rua-earn-knockout-wins-at-ufc-on-fox-4.html

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