Saturday night 28th Dec 2013, Anderson Silva broke his leg while fight against Chris Weidman; Anderson threw a kick and Chris block it. The fight was the main event of UFC 168 at MGM Grand Garden Arena in Las Vegas. The surgery of Silva's leg in now successful but he is still in the Las Vegas hospital.

UFC officials said that "UFC orthopedic surgeon Dr. Steven Sanders had repaired Silva's broken left tibia as well as stabilized his broken left fibula.:" They estimated Silva's recovery time to be six months.

UFC Official Statement regarding Silvas injury;

"Following Saturday evening's UFC 168 main event, former champion Anderson Silva was taken to a local Las Vegas hospital where he underwent surgery to repair a broken left leg. The successful surgery, performed by Dr. Steven Sanders, the UFC's orthopedic surgeon, inserted an intramedullary rod into Anderson's left tibia. The broken fibula was stabilized and does not require a separate surgery. Anderson will remain in the hospital for a short while, but no additional surgery is scheduled at this time. Recovery time for such injuries may vary between three and six months. Anderson is deeply touched by the outpouring of support from his fans and the entire MMA community. There has been no immediate decision about his future, and he would kindly ask for privacy at this time as he deals with his injury and prepares to return home to recover."