Red Sox Roster & Staff
Transactions
| Date | Transaction |
| 12/31/14 | Boston Red Sox signed free agent SS Jeff Bianchi to a minor league contract and invited him to spring training. |
| 12/20/14 | San Diego Padres traded C Ryan Hanigan to Boston Red Sox for 3B Will Middlebrooks. |
| 12/20/14 | San Diego Padres traded C Ryan Hanigan to Boston Red Sox for 3B Will Middlebrooks. |
| 12/17/14 | Atlanta Braves traded RHP Anthony Varvaro to Boston Red Sox for RHP Aaron Kurcz and cash. |
| 12/17/14 | Atlanta Braves traded RHP Anthony Varvaro to Boston Red Sox for RHP Aaron Kurcz and cash. |
| 12/16/14 | Boston Red Sox signed free agent 2B Henry Alejandro Rodriguez to a minor league contract. |
| 12/16/14 | Boston Red Sox signed free agent LHP Casey Crosby to a minor league contract. |
| 12/15/14 | Chicago Cubs traded SS Marco Hernandez to Boston Red Sox. |
| 12/12/14 | Arizona Diamondbacks traded RHP Zeke Spruill to Boston Red Sox for RHP Myles Smith. |
| 12/12/14 | Boston Red Sox signed free agent Victor Diaz. |
| 12/12/14 | Arizona Diamondbacks traded LHP Wade Miley to Boston Red Sox for RHP Rubby De La Rosa, RHP Allen Webster and SS Raymel Flores. |
| 12/12/14 | RHP Victor Diaz roster status changed by Boston Red Sox. |
| 12/12/14 | Arizona Diamondbacks traded RHP Zeke Spruill to Boston Red Sox for RHP Myles Smith. |
| 12/12/14 | Arizona Diamondbacks traded LHP Wade Miley to Boston Red Sox for RHP Rubby De La Rosa, RHP Allen Webster and SS Raymel Flores. |
| 12/12/14 | Arizona Diamondbacks traded LHP Wade Miley to Boston Red Sox for RHP Rubby De La Rosa, RHP Allen Webster and SS Raymel Flores. |
| 12/12/14 | Arizona Diamondbacks traded LHP Wade Miley to Boston Red Sox for RHP Rubby De La Rosa, RHP Allen Webster and SS Raymel Flores. |
| 12/12/14 | Boston Red Sox signed free agent 3B Mario Martinez to a minor league contract. |
| 12/11/14 | Boston Red Sox signed free agent RHP Justin Masterson. |
| 12/11/14 | Detroit Tigers traded RHP Rick Porcello to Boston Red Sox for LF Yoenis Cespedes, RHP Alex Wilson and LHP Gabe Speier. |
| 12/11/14 | Detroit Tigers traded RHP Rick Porcello to Boston Red Sox for LF Yoenis Cespedes, RHP Alex Wilson and LHP Gabe Speier. |
| 12/11/14 | Detroit Tigers traded RHP Rick Porcello to Boston Red Sox for LF Yoenis Cespedes, RHP Alex Wilson and LHP Gabe Speier. |
| 12/11/14 | Boston Red Sox traded RHP Jandel Gustave to Kansas City Royals for cash. |
| 12/11/14 | Detroit Tigers traded RHP Rick Porcello to Boston Red Sox for LF Yoenis Cespedes, RHP Alex Wilson and LHP Gabe Speier. |
| 12/11/14 | Boston Red Sox drafted RHP Jandel Gustave. |
| 12/11/14 | Houston Astros drafted Jason Garcia. |
| 12/10/14 | Boston Red Sox signed free agent RHP Nestor Molina to a minor league contract. |
| 12/08/14 | Boston Red Sox sent 2B Jemile Weeks outright to Pawtucket Red Sox. |
| 12/05/14 | Los Angeles Dodgers claimed C Ryan Lavarnway off waivers from Boston Red Sox. |
| 12/04/14 | Boston Red Sox signed free agent C Luke Montz to a minor league contract and invited him to spring training. |
| 12/02/14 | 3B Juan Francisco elected free agency. |