January 25, 2011
Toronto Blue Jays traded C Mike Napoli to Texas Rangers for cash and RHP Frank Francisco.
January 24, 2011
Detroit Tigers traded RHP Armando Galarraga to Arizona Diamondbacks; Yakima Bears traded RHP Kevin Eichhorn to Connecticut Tigers and Visalia Rawhide traded LHP Ryan Robowski to Lakeland Flying Tigers.
December 23, 2010
Houston Astros traded RHP Matt Lindstrom to Colorado Rockies;
December 19, 2010
Milwaukee Brewers traded SS Alcides Escobar, RHP Jeremy Jeffress and CF Lorenzo Cain to Kansas City Royals; Kansas City Royals traded SS Yuniesky Betancourt and RHP Zack Greinke to Milwaukee Brewers and Wisconsin Timber Rattlers traded RHP Jake Odorizzi to Kane County Cougar
December 17, 2010
Tampa Bay Rays traded and SS Jason Bartlett to San Diego Padres for RHP Adam Russell, RHP Brandon Gomes, LHP Cesar Ramos and RHP Cole Figueroa.
December 16, 2010
December 12, 2010
St. Louis Cardinals traded SS Brendan Ryan to Seattle Mariners for RHP Maikel Cleto.
December 9, 2010
Baltimore Orioles acquired SS J.J. Hardy and INF Brendan Harris from Minnesota for RHP Jim Hoey, RHP Brett Jacobson and cash considerations.
December 6, 2010
Baltimore Orioles acquired 3B Mark Reynolds and a player to be named or cash from Arizona for RHP David Hernandez and RHP Kam Mickolio.
Boston Red Sox acquired 1B Adrian Gonzalez from San Diego for OF Reymond Fuentes, RHP Casey Kelly, 1B Anthony Rizzo and a player to be named.
Toronto Blue Jays acquired 2B Brett Lawrie from Milwaukee for RHP Shaun Marcum.
December 3rd, 2010
Atlanta Braves acquired RHP Scott Linebrink from the Chicago White Sox for RHP Kyle Cofield.
Toronto Blue Jays acquired RHP Carlos Villanueva from Milwaukee Brewers for a player to be named.
November 30, 2010
St. Louis Cardinals acquired INF Ryan Theriot from the Los Angeles Dodgers for RHP Blake Hawksworth.
November 18, 2010
Colorado Rockies traded INF Clint Barmes to Houston Astros for RHP Felipe Paulino.
November 17, 2010
Toronto Blue Jays acquire Rajai Davis from the Oakland Athletics for Dany Farquhar and Trystan Magnuson
November 16, 2010
Atlanta Braves traded INF Omar Infante and LHP Mike Dunn to Florida for 2B Dan Uggla.
November 13, 2010
San Diego Padres acquired OF Cameron Maybin from the Florida Marlins for RHP Edward Mujica and RHP Ryan Webb.
November 12, 2010
Boston Red Sox traded LHP Dustin Richardson to Florida for LHP Andrew Miller.
November 10, 2010
Oakland Athletics acquire OF David DeJesus from Kansas City Royals for SP Vin Mazzaro, minor league P Justin Marks
November 4, 2010
Detroit Tigers traded INF Brent Dlugach to Boston for a player to be named or cash considerations
Toronto Blue Jays acquired C Miguel Olivo from Colorado for a player to be named or cash considerations and declined the 2011 option on his contract, making him a free agent.