Note: this does NOT include those nearing a return from injury.
As usual, all MLB teams will expand their rosters for the final month of the regular season. Some teams will try to get a look at their top prospects in hopes that they will start next season on the active roster.
For the Pittsburgh Pirates, though, they face a challenge given that most of their MLB-ready prospects are in the major leagues and have been throughout the season.
With that said, who could the Pirates call up tomorrow to fill up the two empty roster spots?