c. 265, § 10
Prize fight; aiding or promoting; penalty
Official text prohibited actmental stateif conditionpenaltylegal term
Whoever, except as provided in sections thirty-two to fifty, inclusive, of chapter one hundred and forty-seven, is present at such fight as an aid, second or surgeon, or advises, encourages or promotes such fight, shall be punished by imprisonment in the state prison for not more than five years or by a fine of not more than one thousand dollars and by imprisonment in jail for not more than two and one half years.
Simplified explanation
Being present at a prize fight as an aid, second or surgeon, or advising, encouraging or promoting it, is punishable by up to 5 years in state prison.