Minn. Stat. § 341.35
Any person or persons who send or cause to be sent, published, or otherwise made known, any challenge to fight what is commonly known as a prize fight, or engage in any public combative sport match or contest, with or without gloves, for any prize, reward, or compensation, or for which any admission fee is charged directly or indirectly, or go into training preparatory for the fight, exhibition, or contest, or act as a trainer, aider, abettor, backer, umpire, referee, second, surgeon, assistant, or attendant at the fight, exhibition, or contest, or in any preparation for same, and any owner or lessee of any ground, building, or structure of any kind permitting the same to be used for any fight, exhibition, or contest, is guilty of a misdemeanor unless the licenses required for the holding of the fight, exhibition, or contest have been issued by the commissioner in compliance with the rules adopted by it.
Minn. Stat. § 341.35
2006 c 282 art 11 s 28; 2008 c 300 s 34; 2012 c 278 art 3 s 9