Over the years, the Pittsburgh Pirates farm system was considered one of the best farm systems in baseball. However, after enjoying a period of playoff baseball, and in turn picking lower in the draft, they have seen their system fall toward the middle of the pack. Still, rankings by scouting websites are not everything. They have plenty of intriguing prospects who could break out just as much as a team with a top farm system. With that being said, we have come up with our top 20 prospects for the 2018 season. The articles will look at each player, starting at 20 and working toward one.