They are the central figures in one of the year’s most anticipated fights, and they have arrived at their day of reckoning.

War Machine is apparently heading back to the big house.

The Federal Trade Commission has officially closed its ongoing investigation into the business dealings of UFC parent company Zuffa, LLC.

UFC heavyweight No. 1 contender Alistair Overeem has been charged with one count of misdemeanor battery, according to a report from the Las Vegas Review-Journal.

UFC middleweight champion Anderson Silva took part in a belt-promotion ceremony at Team Nogueira in Rio de Janiero on Jan. 27.

Ronda Rousey and Rickson Gracie black belt Henry Akins demonstrate in detail how to execute a nasty rolling kimura at Dynamix MMA in Santa Monica, Calif.

A little more than a week out from his scheduled co-main event bout with Mark Munoz, Chael Sonnen was thrown a curveball when Michael Bisping stepped in to replace the injured “Filipino Wrecking Machine.”

Lyoto Machida has an opponent in mind for his return.

Antonio McKee has been stripped of the Maximum Fighting Championship lightweight title after coming in seven pounds overweight at Thursday’s MFC 32 weigh-ins.

Canadian welterweight Nordine Taleb has signed to fight for the Bellator Fighting Championships in 2012.