March 1, 2012
New York Yankees trade Elcides Escobar to St Louis Cardinals for Allen Craig
March 2, 2012
Texas Rangers sign SP Mitch Talbot
St Louis Cardinals sign C Craig Tatum
St Louis Cardinals sign OF Jay Gibbons
Texas Rangers trade SP Andy Pettitte to Oakland Athletics for SP Daisuke Matsuzaka
Oakland Athletics release SP Andy Pettitte
Chicago White Sox release 3B Mark Teahan
St Louis Cardinals release RP Bryan Augenstein and RP PJ Walters
March 3, 2012
Texas Rangers sign SP Marco Estrada
Chicago Cubs release RP Jeff Gray, RP John Gaub, RP Kyle Smit and RP Alberto Cabrera
Texas Rangers sign IF Josh Wilson
St Louis Cardinals release RP David Kopp
March 4, 2012
Oakland Athletics sign IF Drew Sutton
Texas Rangeers sign 3B Sean Burroughs
Chicago Cubs sign RP Juan Cruz
Chicago White Sox sign RP Luis Ayala
Toronto Blue Jays trade C Travis D,Arnaud and SP Taijuan Walker to Baltimore Orioles for SP Brandon Beachy
Houston Astros sign SP Zach Stewart
St. Louis Cardinals sign RP Phil Dumatrait
Texas Rangers add 3B Mike Olt to 40 man roster
Kansas City Royals trade OF Nick Swisher to Texas Rangers for OF Colby Rasmus and 3B Mike Olt
Chicago White Sox remove RP Anthony Carter from 40 man roster and adds RP Addison Reed to roster
Chicago Cubs add C Steve Clevenger to 40 man roster
San Francisco Giants add 1B Brandon Belt, 1B Brett Pill, SS Brandon Crawford, SP Eric Surkamp and C Hector Sanchez to 40 man roster and removes RP Chaz Roe, RP Henry Sosa, RP Clayton Tanner, RP Mauricio Robles and SS Ehire Adrianza
St Louis Cardinals sign RP Dana Eveland and OF Jason Repko
San Francisco Giants sign RP Jason Isringhausen, OF Jack Cust and OF Manny Ramirez
Texas Rangers sign 1B/OF Brad Hawpe and OF Xavier Nady
March 5, 2012
New York Yankees sign OF Wily Mo Pena and IF Luke Hughes. Release 3B Brandon Laird and RP Ryan Pope
Texas Rangers sign OF Endy Chavez
March 7, 2012
Texas Rangers sign SP Bartolo Colon
March 17, 2012
Chicago White Sox release OF Stefan Gartrell and add SP Dylan Axelrod to 40 man roster
March 18, 2012
St Louis Cardinals release C Brian Anderson
March 20, 2012
Los Angeles Angels sign Jared Weaver to a 5 year $75 million extension
March 23, 2012
St Louis Cardinals sign Jaime Garcia to a 4 year $26 million extension
March 25, 2012
Los Angeles Dodgers sign IF Mark Derosa and IF Jake Fox
Chicago White Sox release RP Brian Omogrosso and sign IF Yamaico Navarro
March 27, 2012
Los Angeles Angels sign OF Ryan Langerhans, OF Mitch Maier, C Brett Hayes and RP Jason Grilli
New York Yankees add SP Jose Campos and OF Mason Williams to 40 man roster and release OF Melky Mesa
March 28, 2012
Atlanta Braves sign C Mike Napoli to a 5 year $60 million contract extension
Minnesota Twins sign SP Justin Masterson to a 4 year $26 million contract extension
March 30, 2012
Los Angeles Dodgers release 1B Troy Glaus, RP John Link, RP Travis Schlicting, Lee Hyde and sign C Chris Stewart, OF Willie Harris, OF Felix Pie, 2B Carlos Guillen, OF Ross Gload, OF Greg Halman, OF Travis Buck
March 31, 2012
Chicago White Sox release RHP Kyle Cofield and add LHP Hector Santiago to 40 man roster
San Francisco Giants add OF Austin Kearns to 40 man roster
New York Yankees trade Elcides Escobar to St Louis Cardinals for Allen Craig
March 2, 2012
Texas Rangers sign SP Mitch Talbot
St Louis Cardinals sign C Craig Tatum
St Louis Cardinals sign OF Jay Gibbons
Texas Rangers trade SP Andy Pettitte to Oakland Athletics for SP Daisuke Matsuzaka
Oakland Athletics release SP Andy Pettitte
Chicago White Sox release 3B Mark Teahan
St Louis Cardinals release RP Bryan Augenstein and RP PJ Walters
March 3, 2012
Texas Rangers sign SP Marco Estrada
Chicago Cubs release RP Jeff Gray, RP John Gaub, RP Kyle Smit and RP Alberto Cabrera
Texas Rangers sign IF Josh Wilson
St Louis Cardinals release RP David Kopp
March 4, 2012
Oakland Athletics sign IF Drew Sutton
Texas Rangeers sign 3B Sean Burroughs
Chicago Cubs sign RP Juan Cruz
Chicago White Sox sign RP Luis Ayala
Toronto Blue Jays trade C Travis D,Arnaud and SP Taijuan Walker to Baltimore Orioles for SP Brandon Beachy
Houston Astros sign SP Zach Stewart
St. Louis Cardinals sign RP Phil Dumatrait
Texas Rangers add 3B Mike Olt to 40 man roster
Kansas City Royals trade OF Nick Swisher to Texas Rangers for OF Colby Rasmus and 3B Mike Olt
Chicago White Sox remove RP Anthony Carter from 40 man roster and adds RP Addison Reed to roster
Chicago Cubs add C Steve Clevenger to 40 man roster
San Francisco Giants add 1B Brandon Belt, 1B Brett Pill, SS Brandon Crawford, SP Eric Surkamp and C Hector Sanchez to 40 man roster and removes RP Chaz Roe, RP Henry Sosa, RP Clayton Tanner, RP Mauricio Robles and SS Ehire Adrianza
St Louis Cardinals sign RP Dana Eveland and OF Jason Repko
San Francisco Giants sign RP Jason Isringhausen, OF Jack Cust and OF Manny Ramirez
Texas Rangers sign 1B/OF Brad Hawpe and OF Xavier Nady
March 5, 2012
New York Yankees sign OF Wily Mo Pena and IF Luke Hughes. Release 3B Brandon Laird and RP Ryan Pope
Texas Rangers sign OF Endy Chavez
March 7, 2012
Texas Rangers sign SP Bartolo Colon
March 17, 2012
Chicago White Sox release OF Stefan Gartrell and add SP Dylan Axelrod to 40 man roster
March 18, 2012
St Louis Cardinals release C Brian Anderson
March 20, 2012
Los Angeles Angels sign Jared Weaver to a 5 year $75 million extension
March 23, 2012
St Louis Cardinals sign Jaime Garcia to a 4 year $26 million extension
March 25, 2012
Los Angeles Dodgers sign IF Mark Derosa and IF Jake Fox
Chicago White Sox release RP Brian Omogrosso and sign IF Yamaico Navarro
March 27, 2012
Los Angeles Angels sign OF Ryan Langerhans, OF Mitch Maier, C Brett Hayes and RP Jason Grilli
New York Yankees add SP Jose Campos and OF Mason Williams to 40 man roster and release OF Melky Mesa
March 28, 2012
Atlanta Braves sign C Mike Napoli to a 5 year $60 million contract extension
Minnesota Twins sign SP Justin Masterson to a 4 year $26 million contract extension
March 30, 2012
Los Angeles Dodgers release 1B Troy Glaus, RP John Link, RP Travis Schlicting, Lee Hyde and sign C Chris Stewart, OF Willie Harris, OF Felix Pie, 2B Carlos Guillen, OF Ross Gload, OF Greg Halman, OF Travis Buck
March 31, 2012
Chicago White Sox release RHP Kyle Cofield and add LHP Hector Santiago to 40 man roster
San Francisco Giants add OF Austin Kearns to 40 man roster