The Major League Baseball draft is the primary mechanism of Major League Baseball (MLB) for assigning amateur baseball players from high schools, colleges, and other amateur baseball clubs to its teams. The draft order is determined based on a lottery where the teams who did not make the postseason in the past year participate in a state-lottery style process to determine the first six picks, starting in 2023. The team possessing the worst record receives the best odds of receiving the first pick. Until 2022, it was determined by the previous season's standings, with the worst team selecting first.

The Rule 5 draft is a Major League Baseball (MLB) player draft that occurs each year in December, at the annual Winter Meeting of general managers. The Rule 5 draft aims to prevent teams from stockpiling too many young players on their minor league affiliate teams when other organizations would be willing to have them play in the major leagues. The Rule 5 draft is named for its place in The Official Professional Baseball Rules Book. The Rule 4 draft—more widely known as the "first-year player draft", "amateur draft", or simply the "MLB draft"—is a distinctly different process by which teams select high school and college players, and takes place annually in July.