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LAS VEGAS -- The UFC is set to introduce a rankings system for the first time in its 20-year history. The inaugural rankings will debut after Saturday's UFC 156 pay-per-view event. Limited to UFC-promoted fighters only, the rankings will encompass...

UFC on FOX 6: Quinton Jackson versus Glover Teixeira...

UFC light heavyweight Quinton Jackson missed weight for his UFC 144 co-main event against Ryan Bader during Saturday's official weigh-in.

Brett Okamoto breaks down Frankie Edgar versus Benson Henderson...

The UFC has granted Quinton Jackson's request to fight in Japan in February.

Jon Jones might have earned the right to test himself against Anderson Silva -- but don't hold your breath waiting for that fight to happen.

All 20 fighters set to compete at UFC 135 made weight during Friday's official weigh-in.

Jon Jones has been forced to defend his character and integrity from all comers since capturing UFC gold.

Quinton Jackson was hardly pleased with his performance -- or Matt Hamill's approach to the fight.

It's been more than two years since Quinton Jackson has knocked an opponent out. He's intent to put an end to that streak this weekend.

No one's quite sure who will get the first crack at Jon Jones, but Quinton Jackson can distinguish himself Saturday.

Despite his heated rivalry with Quinton Jackson just one year ago, former light heavyweight champion Rashad Evans is picking Jackson to come away with a win over Matt Hamill in the main event of UFC 130 this weekend in Las Vegas. An admitted fan o...

The highly anticipated lightweight title fight between UFC champion Frankie Edgar and No. 1 contender Gray Maynard is officially off, as both fighters suffered injuries during training camp.

The UFC officially unveiled five fights Thursday scheduled to take place on its Memorial Day weekend card in Las Vegas.