Mich. Comp. Laws § 750.124

Sec. 124. Any person who corruptly gives, offers or promises to any person engaged in amateur or professional baseball, boxing, wrestling or other competitive athletic pursuits, any gift, gratuity or valuable thing whatever, with intent to influence him to lose or try to lose, or to affect the result in any way of, any contest in which he is participating or expects to participate; or any person engaged in amateur or professional baseball, boxing, wrestling or other competitive athletic pursuits, who corruptly solicits or accepts a gift, gratuity or valuable thing, or a promise to make a gift or to do an act beneficial to himself, under an agreement or with the understanding that he shall lose or try to lose, or to affect the result in any way of, any contest in which he is participating or expects to participate, shall be guilty of a felony.