The prospect writers here at Fake Teams published their 2013 Fantasy Prospect Rankings earlier this offseason, and here are links to each of their rankings pieces for those of you who participate in leagues where you can draft prospects, or in dynasty leagues.
Fantasy Prospect Rankings by Position
Outfielders Top 15 | Top 16-30
Starting Pitchers Top 25 | Top 26-50
If you are looking for more prospect rankings, make sure you check out all the fantasy goodness over at Fantasy Run Down, as they provide links to all of the top fantasy sites on a daily basis.