San Diego Padres placed RHP Joe Wieland on the 15-Day disabled list retroactive to May 7, 2012. Strained right elbow.
San Diego Padres recalled James Darnell from Tucson Padres.
Philadelphia Phillies recalled Jake Diekman from Lehigh Valley IronPigs.
Philadelphia Phillies called up Hector Luna from Lehigh Valley IronPigs.
Philadelphia Phillies called up Raul Valdes from Lehigh Valley IronPigs.
Philadelphia Phillies placed LF Laynce Nix on the 15-Day disabled list retroactive to May 10, 2012. Strained left calf.
Philadelphia Phillies transferred RHP Justin De Fratus from the 15-Day disabled list to the 60-Day disabled list.
Los Angeles Angels placed C Chris Iannetta on the 15-Day disabled list retroactive to May 9, 2012. Fractured right wrist.
Miami Marlins recalled Mike Dunn from New Orleans Zephyrs.
Miami Marlins recalled Kevin Mattison from New Orleans Zephyrs.
Miami Marlins optioned Sandy Rosario to New Orleans Zephyrs.
Los Angeles Angels called up C John Hester from Salt Lake Bees.
New York Mets activated SS Ronny Cedeno from the 15-Day disabled list.
New York Mets optioned Vinny Rottino to Buffalo Bisons.
New York Yankees activated 3B Eric Chavez from the 7-Day disabled list.
New York Yankees optioned Eduardo Nunez to Scranton/Wilkes-Barre Yankees.
Los Angeles Dodgers placed SS Jerry Hairston on the 15-Day disabled list retroactive to May 7, 2012. Strained left hamstring.
Los Angeles Dodgers recalled 2B Justin Sellers from Albuquerque Isotopes.
Oakland Athletics optioned LF Michael Taylor to Sacramento River Cats.
Oakland Athletics optioned RHP Jim Miller to Sacramento River Cats.
Oakland Athletics recalled RHP Andrew Carignan from Sacramento River Cats.
Oakland Athletics recalled RF Collin Cowgill from Sacramento River Cats.
Baltimore Orioles placed RHP Matt Lindstrom on the 15-Day disabled list. Right middle finger injury.
Baltimore Orioles designated 3B Zelous Wheeler for assignment.
San Francisco Giants called up Shane Loux from Fresno Grizzlies.
Colorado Rockies optioned Drew Pomeranz to Colorado Springs Sky Sox.
Colorado Rockies activated LHP Josh Outman from the 15-Day disabled list.
San Francisco Giants placed 2B Ryan Theriot on the 15-Day disabled list retroactive to May 9, 2012. Right elbow inflammation.
