Caraway was scheduled to fight Lucas Martins in a bantamweight bout.
UFC 170 goes down on February 22nd from the Mandalay Bay Events Center in Las Vegas, Nevada. The pay-per-view main event features a female bantamweight title fight between Ronda Rousey and Sarah McMann.
UFC 170 is also playing host to a historical statistic. For the first time in UFC history, three undefeated Olympians will be competing on the same night.
At the time of this report a replacement for Caraway has not been found.