 Since the institution of Major League Baseball's Rule 4 Draft, the Phillies have selected 51 players in its first round.Officially known as the "First-Year Player Draft", the Rule 4 Draft is Major League Baseball's primary mechanism for assigning amateur baseball players from high schools, colleges, and other amateur baseball clubs to its teams.The draft order is determined based on the previous season's standings, with the team possessing the worst record receiving the first pick.