Current players and the GM who acquired them:
Correct me, if I got some wrong.)
Ben:
Devers (not traded by DD)
DD:
Houck
Crawford
Bello
Duran
Rafaela
Mata, Murphy, Walter, Dalbec
Wikelman, Perales
Bloom:
Pivetta
Whitlock
Abreu
Wong
McGuire
Wink
Bernardino
Refsnyder
Valdez
Story, Yoshida, Jansen, Martin
Kelly, DHam
Breslow:
Slaten
Grissom
Criswell
Weissert
O'Neill, Giolito, Hendriks
Romy G, Anderson, Uwasawa, Campbell, Booser, Horn, Cooper, Sort, D Smith, Heineman
Prospects with no MLB experience and not on 40:
(not listed here: 4 Rafaela, 7 Abreu, 8 Wikelman, 10 Perales, 20 Slaten, 30 DHam)
DD:
15. Castro
19. Paulino
Guerrero
Bloom:
1. Anthony
2. Mayer
3. Teel
5. Bleis
6. Cespedes
11. Yorke
13. Zanetello
14. Meidroth
16. Jordan
17. Hickey
18. Jo Garcia
Monegro, K Campbell, E R-C, Dobbins, Arias, A Anderson, Romero, Gambrell, Penrod
Breslow:
9. Fitts
12. Sandlin
Benitez, Olivares, Judice