UFC juggles championship fights for December due to injury

On Fox Sports Live Sunday, it was announced that 155-pound champ Anthony Pettis is out of his December 14th UFC on Fox main event title defense against Josh Thomson due to a knee injury.

135-pound champion Demetrious Johnson vs. Joe Benavidez is now the main event of the Fox show, moved from the November 30th TUF finale show. The main event of that show will be Gray Maynard vs. Nate Diaz, still set for three rounds.

- Josh NasonĀ 

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