Mike MacDougal assigned to Iowa Cubs from Chicago Cubs.
St. Louis Cardinals placed CF Jon Jay on the 15-Day disabled list. Sprained right shoulder.
St. Louis Cardinals recalled Shane Robinson from Memphis Redbirds.
Oakland Athletics claim Travis Blackley off waivers from San Francisco Giants.
Oakland Athletics transferred RHP Joey Devine from the 15-Day disabled list to the 60-Day disabled list.
Miami Marlins recalled Bryan Petersen from New Orleans Zephyrs.
Tampa Bay Rays recalled Josh Lueke from Durham Bulls.
New York Yankees placed RHP David Robertson on the 15-Day disabled list retroactive to May 12, 2012. Left oblique strain.
New York Yankees recalled RHP Cody Eppley from Scranton/Wilkes-Barre Yankees.
Justin Thomas assigned to Scranton/Wilkes-Barre Yankees from New York Yankees.
Colorado Rockies activated RHP Jeremy Guthrie from the 15-Day disabled list.
Colorado Rockies optioned RHP Carlos Torres to Colorado Springs Sky Sox.
