According to THIS REPORT (via MMAJunkie.com), Chris Weidman is injured, and out of his scheduled contest with Vitor Belfort.
The UFC has yet to officially announce the bouts cancellation.
MMAJunkie’s report reads as follows:
MMAjunkie has learned from several sources close to the promotion that Weidman has suffered an injury in training and has been forced to withdraw from the contest. The sources all spoke on the condition of anonymity because none of them were authorized to publicly discuss the matter.
The report also states that the Ronda Rousey vs. Cat Zingano title fight has been promoted to the UFC 184 main event.