Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 08/30/09 | Boston Red Sox selected the contract of RHP Paul Byrd from Pawtucket Red Sox. |
| 08/30/09 | Boston Red Sox optioned RHP Marcus McBeth to Pawtucket Red Sox. |
| 08/29/09 | Boston Red Sox recalled Marcus McBeth from Pawtucket Red Sox. |
| 08/29/09 | Boston Red Sox optioned Junichi Tazawa to GCL Red Sox. |
| 08/28/09 | Boston Red Sox sent RHP Enrique Gonzalez outright to Pawtucket Red Sox. |
| 08/27/09 | Boston Red Sox released RHP Brad Penny. |
| 08/27/09 | Boston Red Sox activated LHP Billy Wagner. |
| 08/27/09 | Fernando Cabrera assigned to Pawtucket Red Sox from Boston Red Sox. |
| 08/26/09 | Tim Wakefield roster status changed by Boston Red Sox. |
| 08/26/09 | Boston Red Sox designated RHP Enrique Gonzalez for assignment. |
| 08/25/09 | New York Mets traded LHP Billy Wagner to Boston Red Sox. |
| 08/22/09 | Boston Red Sox optioned Michael Bowden to Pawtucket Red Sox. |
| 08/22/09 | Boston Red Sox selected the contract of RHP Enrique Gonzalez from Pawtucket Red Sox. |
| 08/22/09 | Boston Red Sox optioned Michael Bowden to Pawtucket Red Sox. |
| 08/21/09 | Boston Red Sox activated RHP Michael Bowden. |
| 08/21/09 | Boston Red Sox designated RHP Fernando Cabrera for assignment. |
| 08/21/09 | Boston Red Sox activated RF Rocco Baldelli from the 15-day disabled list. |
| 08/21/09 | Boston Red Sox recalled Michael Bowden from Pawtucket Red Sox. |
| 08/21/09 | Boston Red Sox optioned Brian Anderson to Pawtucket Red Sox. |
| 08/19/09 | Boston Red Sox signed RHP Eric Curtis. |
| 08/18/09 | Boston Red Sox sent Chris Woodward outright to Pawtucket Red Sox. |
| 08/17/09 | Boston Red Sox signed RHP Kendal Volz. |
| 08/17/09 | Boston Red Sox signed RHP Madison Younginer. |
| 08/17/09 | Boston Red Sox signed 3B David Renfroe. |
| 08/15/09 | Boston Red Sox designated SS Chris Woodward for assignment. |
| 08/15/09 | Boston Red Sox activated SS Alex Gonzalez. |
| 08/15/09 | Boston Red Sox optioned Josh Reddick to Pawtucket Red Sox. |
| 08/15/09 | Boston Red Sox recalled Brian Anderson from Pawtucket Red Sox. |
| 08/14/09 | Boston Red Sox optioned LF Jeff Bailey to Pawtucket Red Sox. |
| 08/14/09 | Cincinnati Reds Traded SS Alex Gonzalez to Boston Red Sox and Salem Red Sox Traded SS Kristopher Negron to Sarasota Reds. |
| 08/12/09 | Boston Red Sox sent Enrique Gonzalez outright to Pawtucket Red Sox. |
| 08/12/09 | Boston Red Sox sent Chris Duncan outright to Pawtucket Red Sox. |
| 08/12/09 | Boston Red Sox signed 3B Miles Head. |
| 08/11/09 | Boston Red Sox sent LHP Billy Traber outright to Pawtucket Red Sox. |
| 08/11/09 | Boston Red Sox signed OF Brandon Jacobs. |
| 08/09/09 | Boston Red Sox designated RHP Enrique Gonzalez for assignment. |
| 08/09/09 | Boston Red Sox selected the contract of RHP Fernando Cabrera from Pawtucket Red Sox. |
| 08/08/09 | Boston Red Sox selected the contract of RHP Enrique Gonzalez from Lowell Spinners. |
| 08/08/09 | Boston Red Sox placed SS Jed Lowrie on the 15-day disabled list retroactive to August 7, 2009. ulnar neuritis in his left wrist |
| 08/07/09 | Boston Red Sox designated LHP Billy Traber for assignment. |
| 08/07/09 | Boston Red Sox designated RHP John Smoltz for assignment. |
| 08/07/09 | Boston Red Sox claimed SS Chris Woodward off waivers from Seattle Mariners. |
| 08/07/09 | Boston Red Sox recalled Junichi Tazawa from Pawtucket Red Sox. |
| 08/06/09 | Boston Red Sox recalled CF Josh Reddick from Pawtucket Red Sox. |
| 08/06/09 | Boston Red Sox placed RF Rocco Baldelli on the 15-day disabled list. left ankle contusion |
| 08/05/09 | Boston Red Sox selected the contract of LHP Billy Traber from Pawtucket Red Sox. |
| 08/05/09 | Boston Red Sox optioned CF Josh Reddick to Pawtucket Red Sox. |
| 08/05/09 | Boston Red Sox designated SS Gil Velazquez for assignment. |
| 08/01/09 | George Kottaras roster status changed by Boston Red Sox. |
| 08/01/09 | Boston Red Sox optioned Marcus McBeth to Pawtucket Red Sox. |