Wyo. Stat. Ann. § 33-48-112

Each contestant shall be examined not more than twelve (12) hours prior to a mixed martial arts or boxing match by a physician who has been licensed to practice in Wyoming and who has been designated by the commission. The physician shall certify in writing, over his signature, as to the contestant's physical condition to engage in the match. The physician's compensation shall be provided by the individual promoter or entity unless otherwise agreed.