Orioles -- Signed their No. 45 pick in the draft, C Christopher Paxton from Palmdale (Calif.) High.
Boston Red Sox -- Assigned IF Steve Rodriguez to Triple-A Pawtucket.
Florida Marlins -- Placed OF Gary Sheffield on the 15-day DL. Transferred P John Johnstone from the 15-day to the 60-day DL. Signed OF Randy Winn and P Michael Tejera.
Kansas City Royals -- Optioned 1B-DH Bob Hamelin to Triple-A Omaha.
Milwaukee Brewers -- Signed 3B Tobias Kominek, 2B Ryan Ritter, C Michael Kinkade, OF Donald Moore and P Josh Bishop.
New York Yankees -- Optioned SS Derek Jeter and P Mariano Rivera to Triple-A Columbus.
San Diego Padres -- Recalled P Jeff Tabaka from Triple-A Las Vegas. Optioned P Dustin Hermanson to Triple-A Las Vegas.
St. Louis Cardinals -- Placed P Danny Jackson on the 15-day DL, retroactive to June 8. Activated P Tom Urbani from the 15-day DL.
Texas Rangers -- Signed P Bobby Styles.