Mac Danzig is retiring from MMA after 13 years as a professional fighter. The 34-year-old Los Angeles resident, who first emerged on the national stage by winning “The Ultimate Fighter 6,” hangs up his gloves with a 21-12-1 record. His resume includes 13 professional fights with the UFC, where he earned a 5-8 record
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Video: UFC vet Mac Danzig announces retirement, cites health concerns – MMA Junkie