Pirates Prospects reports that the Pirates have added top prospects Gregory Polanco and Alen Hanson to their 40-man roster, along with left-hander Joely Rodriguez. The first two were expected and Rodriguez isn't a big surprise, given that he pitched well across both class A levels in 2013. There's been no official word from the team yet; the information about Rodriguez came from his agent. Consequently, there could still be further roster moves.
UPDATE by Charlie: The Pirates have also added pitcher Casey Sadler.
UPDATE by Charlie: And that's it. The Bucs have added Polanco, Hanson, Rodriguez and Sadler.