Sanctioned by the Mississippi High School Activities Association, whose rules apply. Any athlete eligible for the 2017-18 high school baseball season is eligible to play. Teams can be from public or private schools. Athletes will represent their high schools. Photocopies of all players' birth certificates must be with the coach during all games. Competition will consist of pool play. The top team from each pool advances to medal round. MHSAA allows teams to wear their high school uniforms for competition. Must be a high school team.