I'm going to edit this post with roster moves when appropriate.
Catchers
Benito Santiago
Lou Santangelo
Infielders
1B Fred McGriff
1B Travis Hafner
SS Jose Reyes
3B Hank Blalock
SS Estaban German
2B Robinson Cano
1B Rob Quinlan
Outfielders
LF Jason Bay
CF Chone Figgins
RF Vladimir Guerrero
OF Nate McLouth
Starting pitchers
Livan Hernandez
Jeff Weaver
Jason Vargas
Chris Young
Rodrigo Lopez
Bullpen
Scotty "Suicide" Allen - Set-up
Julian Tavarez - Middle Relief
Mike Gonzalez - Closer
Bob Howry - Middle Relief
John Maine - Middle Relief/Set-up
Kevin Millwood - Long Relief/Mop up
Jack Taschner - Middle Relief
Players entering their last year of contract
RF Vladimir Guerrero
SP Livan Hernandez
SP Kevin Millwood
LF Jason Bay (possibly)
SS Jose Reyes (possibly)
RP Bob Howry
RP Kevin Walker
SP Rodrigo Lopez
RP Aaron Fultz
20 Top Prospects - Still in Minors- before draft on 6/1 (No particular order)
CF Joe Winbush
RF Mickey Hall
SP Benjamin Cazares
RF Jesse Barfield
SS Ian Desmond
SS Michael Allis
C Neil Walker
3B Nate Schierholtz
CL Gilbert Lipsey
LF Carlos Quentin
SP Robert Janssen
SP Garrett Mock
2B Nate Sutton
LF Steven Bellanger
C Kenneth Cintron
RP Jack Dieguez
RP Thomas Strand
LF Kurtis Durazo
SP Richie Gardner
SP Roberto Valverdia
2009 Transactions
2B Robinson Cano and 1B Robb Quinlan acquired from Washington for 3B Wilson Betemit.
2B Robinson Cano and 1B Robb Quinlan recalled from AAA. 2B Joe Thurston sent down to AAA.
RP Kevin Walker sent down to AAA. RP Aaron Fultz recalled to the MLB.
Signed free agent pitcher Julian Tavarez to a one year contract. Signed pitchers Matt Clement, Jack Tascher, 2B Josh Wilson, and catcher Michel Hernandez to minor league contracts.
RPs Julian Tavarez and Jack Taschner, and SS Estaban German recalled from AAA. 2B/SS Freddie Bynum, and RPs Aaron Fultz and Vinnie Chulk sent down to AAA.