Baseball Baltimore Orioles -- Placed P Ben McDonald on 15-day disabled list retroactive to March 29. Signed C Ernie Whitt to 1-year contract. Purchased contract of P Paul Kilgus from Class AAA Rochester and signed him to 1-year contract. Optioned 1B David Segui to Rochester. Optioned P Roy Smith to Rochester. Optioned P Bob Milacki to Class AA Hagerstown.

Cincinnati Reds -- Reassigned P Kip Gross and P Gino Minutelli to minor leagues. Signed P Don Carman.

San Diego Padres -- Optioned P Adam Peterson, P Steve Rosenberg, OF Jim Vatcher and C Brian Dorsett to Class AAA Las Vegas. Sent P Frank Seminara outright to Class AA Wichita. Placed IF Phil Stephenson on 15-day disabled list.

Toronto Blue Jays -- Optioned OF Rob Ducey to Class AAA Syracuse.