Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 147, § 39B

A person licensed under section 33 to conduct boxing, kickboxing, mixed martial arts or other unarmed combative sports events, sparring matches or exhibitions, except those persons to whom a special license may be granted thereunder without the requirement of a bond or payment of the annual fee, shall take out a policy of accident insurance on each contestant participating in the match or exhibition in an amount determined by the commission, but not less than $10,000, to compensate the contestant for medical and hospital expenses incurred as the result of injuries received in such match or exhibition and a policy in an amount determined by the commission, but not less than $100,000, to be paid to the estate of a deceased contestant in the event of the death of the contestant resulting from participation in the match or exhibition. The premiums on the policies shall be paid by the licensee.