The Arizona Fall League begins play tomorrow afternoon. The Pittsburgh Pirates are sending seven players to the league, four starting pitchers and three position players. The group that they are sending this year is one of the better ones for prospects. Below you'll find a preview of the players being sent, how the league works (including a new rule this season) and our schedule of coverage.
The Players
The Pirates selected a strong group of players this year, although one of the better prospects isn't expected to play. Mitch Keller is one of the top prospects in the entire AFL this year. He's going there to make up for some lost innings and work on his changeup in game situations against strong competition. Keller is going to be a big focus of the coverage because he will draw the most ...

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