19 May- Brazos trades the #63 draft pick and a 2nd round prospect pick to Columbia for the #60 pick.
21 May- Pine Tar trades 8th and 10th draft picks to Brazos for Kevin Youkilis.
24 May- Santa Monica trades the #148th pick to Destination for a 25th round pick and a 2nd round prospect.
28 May- Pine Tar trades 26th and 29th draft picks to Tucson for 24th and 32nd picks.
28 May- Nolan Ryan trades 28th draft pick and 4th rd prospect pick to Santa Monica for 26th pick.
04 June-Brazos trades Jesse Crain to Colorado for Cliff Pennington.
05 June-Nolan Ryan trades 2012 2nd rd prospect pick to Tucson for 2011 4th rd prospect pick.
15 July- Tucson trades Jon Lester to Brazos for Clay Buchholz, 2012 spring 2nd rd pick, 2012 4th rd prospect.
23 July- Colorado trades Ryan Braun, Carl Crawford, and Zach Greinke to Italian for Matt Holliday, Colby Lewis, Macier Izturis, Jordan Zimmerman, Desmond Jennings, and Hak Lee.
23 July- Santa Monica trades Ryan Hanigan, a 2012 spring 2nd rd pick, and a 2012 3rd rd prospect pick to New Orleans for Buster Posey.
27 July- Kyoto trades a 2012 spring 3rd rd pick to Tucson for Derek Holland.
29 July- Brazos trades a 2012 spring 4th rd pick to Pine Tar for Laynce Nix.
29 July- Brazos trades Mike Morse and a 2012 #1 prospect pick to Destination for Hunter Pence.
16 Aug- Tucson trades Colby Rasmus to Kyoto for Chris Young.
05 Oct- Tucson trades David DeJesus to Brazos for Jim Thome
29 Oct- Brazos trades Chad Pennington and a 6th rd FA pick to Destination for Placido Polanco
30 Oct- Tucson trades Alex Rodriguez to Brazos for Chipper Jones and Brett Gardner
05 Nov- Brazos trades Matt Guerrier and a 5th rd FA pick to Nolan Ryan for Hisanori Takahashi, Juan Pierre, and a 10th rd FA pick
05 Nov- Nolan Ryan trades Carlos Zambrano and a 9th rd FA pick to Colorado for Colby Lewis and an 8th rd FA pick
05 Nov- Brazos trades David DeJesus and a 3rd rd prospect pick to Nolan Ryan for Colby Lewis
08 Nov- Tucson trades Paul Janish, Ichiro, and a 7th rd FA pick to Italian for a 4th rd FA pick and a player to be named later
08 Nov Colorado trades Ryan Howard to Brazos for Joaquin Benoit, a 2nd rd prospect pick, and a 3rd rd FA pick