May 5, 2012
Atlanta Braves trade SS Yunel Escobar to the Oakland A's for SS Emilio Bonifacio
May 10, 2012
Los Angeles Dodgers sign IF Craig Counsel
Oakland A's sign RP Jose Arredondo and release C Landon Powell
May 13, 2012
Atlanta Braves sign OF Xavier Avery
May 20, 2012
Cleveland Indians sign OF Milton Bradley
Chicago White Sox sign OF Gregor Blanco and release SP Vin Mazzaro
May 29, 2012
Kansas City Royals trade OF Drew Stubbs, RP Aaron Crow and SP Julio Teheran to St Louis Cardinals for OF Jon Jay and SP Lance Lynn
Atlanta Braves trade SS Yunel Escobar to the Oakland A's for SS Emilio Bonifacio
May 10, 2012
Los Angeles Dodgers sign IF Craig Counsel
Oakland A's sign RP Jose Arredondo and release C Landon Powell
May 13, 2012
Atlanta Braves sign OF Xavier Avery
May 20, 2012
Cleveland Indians sign OF Milton Bradley
Chicago White Sox sign OF Gregor Blanco and release SP Vin Mazzaro
May 29, 2012
Kansas City Royals trade OF Drew Stubbs, RP Aaron Crow and SP Julio Teheran to St Louis Cardinals for OF Jon Jay and SP Lance Lynn