Placed 1B Mike Costello on voluntarily retired list. Reinstated C Tommy Arko from inactive list.
Boston Red Sox
Traded 1B Doug Mientkiewicz to Mets for 1B Ian Bladergroen. Released OF Brett Roneberg.
Released 3B Wellington Alvarado and RHP Francisco Olivares.
Traded 3B/OF Corey Smith to Indians for 2B/3B Jake Gautreau.
Released RHP Reggie Harris.
Released OF Mark Hamilton.
New York Mets
Traded 1B Ian Bladergroen to Red Sox for 1B Doug Mientkiewicz.
Released LHP Luis Berroa.
San Diego Padres
Traded 2B/3B Jake Gautreau to Indians for 3B/OF Corey Smith.
San Francisco Giants
Released OFs Bryan Carter and Ivan Sanchez, SSs Chris Ciesluk, Tomas Garrido and Jay Knowlton, RHPs Todd Lundwall, Jackson Markert, Aaron Sobieraj and Brion Treadway, LHP William Zbacnik and 2B Ryan Strain.
Released OF Dominick Ambrosini.