The Pittsburgh Pirates have had some really promising pitchers over the last decade or so. However, a lot of them never reached their potential.
Since 2005, the Pittsburgh Pirates heavily invested in adding young pitching talent. Even when Neal Huntington became General Manager in 2007 this was clearly their goal in rebuilding the Minor League System. However, for as many pitchers as they brought in many of them never really progressed, especially at the Big League level.
Of course, there are starting pitchers in more recent memory like Tyler Glasnow and Nick Kingham both of who never found success with the Pirates. Both were highly touted, and they were expected to be key parts of this team's future. However, both made it very clear after a short amount of time that neither would be a part of the team's future rotation.
However, that was not always the case with these pitchers. The pitchers we will look at were not complete duds. They were able to pitch multiple seasons for the team and showed enough potential to actually believe in them. Let's take a look at the 5 pitcherssince 2005 who showed promise, and potential, but ultimately just broke the hearts of fans by not reaching their potential. These were pitchers who every time they looked to be turning a corner they would end up taking steps back: