UFC on Fox 9: Johnson vs. Benavidez 2 was a mixed martial arts event held on December 14, 2013, at the Sleep Train Arena in Sacramento, California. The main event was a rematch for the Flyweight title between Demetrious Johnson and Joseph Benavidez. Co-featured on the card was a bout between top bantamweight contenders Urijah Faber and Michael McDonald.

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