Per Soxprospects.com, the current Red Sox 40 man roster has 39 players on it, and 21 were in the organization prior to Bloom's hire. He has added 18 players to the 40 man roster.
The bulk of his adds have been borderline pitchers (Mazza, Springs, Hall, Leyer, Kickham, Stock, Triggs, Covey, Valdez, Godley, Brice ) and utility infielders (Arauz, Munoz, Peraza). The remaining adds have been 2 SPs (Perez, Pivetta), a starting outfielder (Verdugo), and a backup catcher (Plawecki)...