Orioles -- Optioned P Joe Borowski, P Scott Klingenbeck, C Greg Zuan and C Cesar Devarez to Triple-A Rochester.
Chicago White Sox -- Placed OF Joe Hall on waivers for the purpose of giving him his unconditional release.
Cincinnati Reds -- Reassigned P Matt Grott and former Orioles IF Craig Worthington to Triple-A Indianapolis.
Cleveland Indians -- Optioned P Alan Embree, P Chad Ogea and P Albie Lopez to Triple-A Buffalo and C Einar Diaz to Single-A Kinston.
Detroit Tigers -- Agreed to terms with IF Scott Fletcher on a minor-league contract. Returned P Phil Stidham, C Terry McGriff and former Orioles C Jeff Tackett to Triple-A Toledo.
Florida Marlins -- Placed SS Kurt Abbott on the 15-day DL, retroactive to April 19. Optioned P Mike Zimmerman and OF Jesus Tavarez to Triple-A Charlotte.
Houston Astros -- Assigned P Jamie Daspit, P Chris Gardner and P Alvin Morman to the Triple-A Tucson.
Los Angeles Dodgers -- Purchased the contracts of P Rob Murphy, SS Dick Schofield, OF Chris Gwynn and OF Mitch Webster from Triple-A Albuquerque. Optioned P Jose Parra, P Felix Rodriguez, P Chan Ho Park and IF Eddie Pye to Albuquerque. Designated SS Rafael Bournigal for assignment.
New York Mets -- Announced P Robert Person reported to extended spring training team.
New York Yankees -- Traded OF Lyle Mouton to the Chicago White Sox to complete the Jack McDowell trade. Agreed to terms with McDowell on a one-year contract. Renewed the contracts of P Sterling Hitchcock, P Bob Wickman, IF Dave Silvestri, OF Bernie Williams and OF Gerald Williams.
Texas Rangers -- Announced P Chris Nichting accepted his outright assignment to Oklahoma City.