December 1, 2012
Atlanta Braves add RP Luis Avilan to their 40 man roster
Arizona Diamondbacks add SS Jacob Elmore and OF AJ Pollock to their 40 man roster
St Louis Cardinals decline the option on SP Jake Westbrook
Minnesota Twins add SS Daniel Santana to their 40 man roster
Minnesota Twins trade SS Daniel Santana and SP James McDonald to the Pittsburgh Pirates for OF Denard Span and OF Seth Smith
Cincinnati Reds add RP Tony Cingrani to their 40 man roster
Cincinnati Reds trade RP Tony Cingrani and OF Garret Jones to the New York Mets for 2B Gordon Beckham and OF Alejandro De Aza
Seattle Mariners trade RP Aroldis Chapman to the Atlanta Braves for RP Johnny Venters and SS Jed Lowrie
San Francisco Giants add SP Kyle Crick to their 40 man roster
Chicago White Sox trade SP Travis Wood to the San Francisco Giants for SP Kyle Crick
St Louis Cardinals trade RP Jason Motte to the Kansas City Royals for RP Louis Coleman and C Devin Maseraco
Kansas City Royals add SP Kyle Zimmer to their 40 man roster
Kansas City Royals trade SP Kyle Zimmer, C JP Arencibia and RP Burke Badenhop to the Baltimore Orioles for RP Jim Johnson
Kansas City Royals trade RP Matt Belisle and 1B Dan Murphy to the Cincinnati Reds for 1B Michael Cuddyer and SP Jair Jurrjens
Kansas City Royals trade 1B Michael Cuddyer and RP Jim Johnson to the Seattle Mariners for 1B Brandon Moss, SP Alex Cobb and 1B Carlos Pena
December 2, 2012
Boston Red Sox add SP Allan Webster to their 40 man roster
Boston Red Sox trade SP Allan Webster and SP Jake Odorizzi to the New York Mets for OF Colby Rasmus
December 4, 2012
Oakland A's add OF Grant Green to their 40 man roster
December 5, 2012
Oakland A's release RP Andrew Bailey
Philadelphia Phillies release SS Tommy Manzella
Kansas City Royals add SS Adelberto Mondesi, SP Yordano Ventura and OF Jorge Bonifacio to their 40 man roster
Philadelphia Phillies trade SS Billy Hamilton to the Kansas City Royals for SS Adalberto Mondesi and OF Jorge Bonifacio
Kansas City Royals SP Yordano Ventura, OF Ben Zobrist, SP Alex Cobb, OF Brandon Moss and RP Jake McGee to the Minnesota Twins for OF Dexter Fowler, 1B Ike Davis and RP Kenley Jansen
December 7, 2012
New York Mets trade SP Chris Tillman and RP Tony Cingrani to the Minnesota Twins for SS Ruben Tejada
Kansas City Royals trade OF Dexter Fowler, SS Billy Hamilton and RP Kenley Jansen to the Seattle Mariners for C Matt Wieters and Chris Denorfia
San Francisco Giants add SP Chris Stratton to their 40 man roster
San Francisco Giants trade 1B Brandon Belt, RP Heath Bell and SP Chris Stratton to the St Louis Cardinals for 1B Albert Pujols
December 11, 2012
Philadelphia Phillies release RP Michael Stutes and add OF Tyson Gillies and 1B Tommy Joseph to their 40 man roster
Minnesota Twins trade 2B Marco Scutaro and SP Justin Masterson to the Seattle Mariners for SP James Shields, RP Bobby Parnell and SS Jed Lowrie
Seattle Mariners trade RP Francisco Cordero, OF John Mayberry Jr and SS Billy Hamilton to the San Diego Padres for SP Chris Capuano and 2B Rickie Weeks
December 14, 2012
San Diego Padres trade SP David Price and IF Andy Parrino to the Atlanta Braves for SP Doug Fister, RP Aroldis Chapman, RP Antonio Bastardo and 1B Brett Wallace
Cleveland Indians trade OF Shelly Duncan to the Philadelphia Phillies for RP Blake Hawksworth
Cleveland Indians release RP Josh Judy
San Diego Padres add IF Jedd Gyorko and RP Chris Rearick to their 40 man roster
Kansas City Royals trade OF Josh Reddick to the Cincinnati Reds for OF Jason Kubel and 2B Gordon Beckham
December 15, 2012
Philadelphia Phillies trade OF Starling Marte and SP Dan Straily to the Miami Marlins for OF Christian Yelich
Miami Marlins add 2B Donovan Solano to their 40 man roster
Sand Diego Padres release 1B Russell Branyon
San Francisco Giants release SP Tim Lincecum
December 16, 2012
San Diego Padres release RP Joey Devine and RP Clay Hensley and add SP Eric Stults to their 40 man roster
Atlanta Braves add SP Lucas Sims and OF Evan Gattis to their 40 man roster
Atlanta Braves trade SP Lucas Sims and OF Evan Gattis to the Chicago Cubs for 2B Darwin Barney
Minnesota Twins add 3B Miguel Sano to their 40 man roster
Philadelphia Phillies add SP Jesse Biddle to their 40 man roster
Philadelphia Phillies trade SP James Paxton, SP Phillipe Aumo and SP Jesse Biddle to the Minnesota Twins for 3B Miguel Sano and SS Jed Lowrie
Oakland A's trade RP Jose Arredondo to the Cleveland Indians for Ubaldo Jiminez
December 18, 2012
Tampa Bay Rays trade SP CJ Wilson, SP Brandon Morrow and OF Lucas Duda to the Seattle Mariners for OF Michael Cuddyer, 2B Rickie Weeks, SP Will Smith and SP Blake Beavin
Seattle Mariners trade RP Kenley Jansen and SP Justin Materson to the Cincinnati Reds for RP Matt Belisle and IF Dan Murphy
December 19, 2012
Seattle Mariners add RP Erasmo Ramirez and RP Tom Wilhelmsen to their 40 man roster
Seattle Mariners trade OF Dexter Fowler and RP Erasmo Ramirez to the Oakland A's for OF Andy Dirks and 3B Josh Donaldson
Oakland A's release SP Brett Cecil
December 21, 2012
Oakland A's trade RP Javier Lopez, RP Pedro Strop and OF Coco Crisp to the Atlanta Braves for RP Joaquin Benoit, C Geovany Soto, OF Alex Gordon and IF Matt Downs
December 22, 2012
Arizona Diamondbacks add SS Didi Gregorius to their 40 man roster
December 27, 2012
Sand Diego Padres release 2B Alexi Casilla, RP Micah Owings, RP David Pauley and 3B Jack Hannahan
St Louis Cardinals add RP Trevor Rosenthal to their 40 man roster
December 30, 2012
Pittsburgh Pirates release RP Daniel McCutchen, RP Evan Meek, OF Thomas Neel, C Jason Jaramillo, RP Daniel Moskos and add RP Jared Hughes to their 40 man roster
Miami Marlins trade RP Edward Mujica and SP Brad Hand to the Colorado Rockies for SP Jhoulys Chacin
December 31, 2012
Oakland A's trade C Geovany Soto to the Washington Nationals for OF Nyjer Morgan
Oakland A's trade 3B Alex Liddi and RP Travis Blackley to the Kansas City Royals for OF Chris Denorfia
Atlanta Braves add RP Luis Avilan to their 40 man roster
Arizona Diamondbacks add SS Jacob Elmore and OF AJ Pollock to their 40 man roster
St Louis Cardinals decline the option on SP Jake Westbrook
Minnesota Twins add SS Daniel Santana to their 40 man roster
Minnesota Twins trade SS Daniel Santana and SP James McDonald to the Pittsburgh Pirates for OF Denard Span and OF Seth Smith
Cincinnati Reds add RP Tony Cingrani to their 40 man roster
Cincinnati Reds trade RP Tony Cingrani and OF Garret Jones to the New York Mets for 2B Gordon Beckham and OF Alejandro De Aza
Seattle Mariners trade RP Aroldis Chapman to the Atlanta Braves for RP Johnny Venters and SS Jed Lowrie
San Francisco Giants add SP Kyle Crick to their 40 man roster
Chicago White Sox trade SP Travis Wood to the San Francisco Giants for SP Kyle Crick
St Louis Cardinals trade RP Jason Motte to the Kansas City Royals for RP Louis Coleman and C Devin Maseraco
Kansas City Royals add SP Kyle Zimmer to their 40 man roster
Kansas City Royals trade SP Kyle Zimmer, C JP Arencibia and RP Burke Badenhop to the Baltimore Orioles for RP Jim Johnson
Kansas City Royals trade RP Matt Belisle and 1B Dan Murphy to the Cincinnati Reds for 1B Michael Cuddyer and SP Jair Jurrjens
Kansas City Royals trade 1B Michael Cuddyer and RP Jim Johnson to the Seattle Mariners for 1B Brandon Moss, SP Alex Cobb and 1B Carlos Pena
December 2, 2012
Boston Red Sox add SP Allan Webster to their 40 man roster
Boston Red Sox trade SP Allan Webster and SP Jake Odorizzi to the New York Mets for OF Colby Rasmus
December 4, 2012
Oakland A's add OF Grant Green to their 40 man roster
December 5, 2012
Oakland A's release RP Andrew Bailey
Philadelphia Phillies release SS Tommy Manzella
Kansas City Royals add SS Adelberto Mondesi, SP Yordano Ventura and OF Jorge Bonifacio to their 40 man roster
Philadelphia Phillies trade SS Billy Hamilton to the Kansas City Royals for SS Adalberto Mondesi and OF Jorge Bonifacio
Kansas City Royals SP Yordano Ventura, OF Ben Zobrist, SP Alex Cobb, OF Brandon Moss and RP Jake McGee to the Minnesota Twins for OF Dexter Fowler, 1B Ike Davis and RP Kenley Jansen
December 7, 2012
New York Mets trade SP Chris Tillman and RP Tony Cingrani to the Minnesota Twins for SS Ruben Tejada
Kansas City Royals trade OF Dexter Fowler, SS Billy Hamilton and RP Kenley Jansen to the Seattle Mariners for C Matt Wieters and Chris Denorfia
San Francisco Giants add SP Chris Stratton to their 40 man roster
San Francisco Giants trade 1B Brandon Belt, RP Heath Bell and SP Chris Stratton to the St Louis Cardinals for 1B Albert Pujols
December 11, 2012
Philadelphia Phillies release RP Michael Stutes and add OF Tyson Gillies and 1B Tommy Joseph to their 40 man roster
Minnesota Twins trade 2B Marco Scutaro and SP Justin Masterson to the Seattle Mariners for SP James Shields, RP Bobby Parnell and SS Jed Lowrie
Seattle Mariners trade RP Francisco Cordero, OF John Mayberry Jr and SS Billy Hamilton to the San Diego Padres for SP Chris Capuano and 2B Rickie Weeks
December 14, 2012
San Diego Padres trade SP David Price and IF Andy Parrino to the Atlanta Braves for SP Doug Fister, RP Aroldis Chapman, RP Antonio Bastardo and 1B Brett Wallace
Cleveland Indians trade OF Shelly Duncan to the Philadelphia Phillies for RP Blake Hawksworth
Cleveland Indians release RP Josh Judy
San Diego Padres add IF Jedd Gyorko and RP Chris Rearick to their 40 man roster
Kansas City Royals trade OF Josh Reddick to the Cincinnati Reds for OF Jason Kubel and 2B Gordon Beckham
December 15, 2012
Philadelphia Phillies trade OF Starling Marte and SP Dan Straily to the Miami Marlins for OF Christian Yelich
Miami Marlins add 2B Donovan Solano to their 40 man roster
Sand Diego Padres release 1B Russell Branyon
San Francisco Giants release SP Tim Lincecum
December 16, 2012
San Diego Padres release RP Joey Devine and RP Clay Hensley and add SP Eric Stults to their 40 man roster
Atlanta Braves add SP Lucas Sims and OF Evan Gattis to their 40 man roster
Atlanta Braves trade SP Lucas Sims and OF Evan Gattis to the Chicago Cubs for 2B Darwin Barney
Minnesota Twins add 3B Miguel Sano to their 40 man roster
Philadelphia Phillies add SP Jesse Biddle to their 40 man roster
Philadelphia Phillies trade SP James Paxton, SP Phillipe Aumo and SP Jesse Biddle to the Minnesota Twins for 3B Miguel Sano and SS Jed Lowrie
Oakland A's trade RP Jose Arredondo to the Cleveland Indians for Ubaldo Jiminez
December 18, 2012
Tampa Bay Rays trade SP CJ Wilson, SP Brandon Morrow and OF Lucas Duda to the Seattle Mariners for OF Michael Cuddyer, 2B Rickie Weeks, SP Will Smith and SP Blake Beavin
Seattle Mariners trade RP Kenley Jansen and SP Justin Materson to the Cincinnati Reds for RP Matt Belisle and IF Dan Murphy
December 19, 2012
Seattle Mariners add RP Erasmo Ramirez and RP Tom Wilhelmsen to their 40 man roster
Seattle Mariners trade OF Dexter Fowler and RP Erasmo Ramirez to the Oakland A's for OF Andy Dirks and 3B Josh Donaldson
Oakland A's release SP Brett Cecil
December 21, 2012
Oakland A's trade RP Javier Lopez, RP Pedro Strop and OF Coco Crisp to the Atlanta Braves for RP Joaquin Benoit, C Geovany Soto, OF Alex Gordon and IF Matt Downs
December 22, 2012
Arizona Diamondbacks add SS Didi Gregorius to their 40 man roster
December 27, 2012
Sand Diego Padres release 2B Alexi Casilla, RP Micah Owings, RP David Pauley and 3B Jack Hannahan
St Louis Cardinals add RP Trevor Rosenthal to their 40 man roster
December 30, 2012
Pittsburgh Pirates release RP Daniel McCutchen, RP Evan Meek, OF Thomas Neel, C Jason Jaramillo, RP Daniel Moskos and add RP Jared Hughes to their 40 man roster
Miami Marlins trade RP Edward Mujica and SP Brad Hand to the Colorado Rockies for SP Jhoulys Chacin
December 31, 2012
Oakland A's trade C Geovany Soto to the Washington Nationals for OF Nyjer Morgan
Oakland A's trade 3B Alex Liddi and RP Travis Blackley to the Kansas City Royals for OF Chris Denorfia
