Please Rank These Prospects

[bmd]

I'm in the middle of a minor league draft and there's been alot of talent selected. How would you rank this list of available prospects in terms of Major League upside:

Chris Volstad
Troy Patton
Trevor Crowe
Jamie Garcia
Gio Gonzalez
Neil Walker
Joba Chamberlain
Brett Sinkbeil
Daniel Bard
Michael Bowden
Brandon Morrow
Drew Stubbs
Kyle Drabek
Juan Salas

[High Heater]

Kyle Drabek
Neil Walker
Brett Sinkbeil
Brandon Morrow
Chris Volstad
Joba Chamberlain
Daniel Bard
Gio Gonzalez
Michael Bowden
Trevor Crowe
Troy Patton
Drew Stubbs
Jamie Garcia
Juan Salas