Overview

• Diaz announced Monday on Instagram that he is off Saturday’s bout with Ateba Gautier due to an unspecified medical issue.
• The fight had been scheduled to headline the UFC 320 prelims on Oct. 4 at T-Mobile Arena in Las Vegas.
• Reporting indicates the promotion is working during fight week to secure a replacement opponent for Gautier.
• If no substitute is found, the event lineup would be reduced to 13 bouts, according to MMA Junkie.
• Gautier is 8-1 overall and 2-0 in the UFC with two swift finishes, and Diaz apologized and said he plans to return stronger.