BASEBALL (AL) * Orioles -- Purchased the contract of Arthur Rhodes (pitcher) from Hagerstown of the Eastern League. Optioned Brady Anderson (outfielder) to Rochester of the International League.
Kansas City Royals -- Activated Kurt Stillwell (shortstop) from the 15-day disabled list. Optioned Sean Berry (infielder) to Omaha of the American Association.
BASKETBALL (NBA) * League -- Named Chartese Dean assistant director of media relations, effective Sept. 3 and Karen Spina public relations manager of entertainment.
* Detroit Pistons -- Signed Brad Sellers (center) to a multi-year contract.
* New York Knicks -- Agreed to terms with Mark Jackson (guard) on the restructuring of his contract. Named Billie Streets promotions manager.
FOOTBALL (NFL) * Detroit Lions -- Acquired Brett Perriman (wide receiver) from the New Orleans Saints in exchange for an undisclosed 1992 draft pick.
* Green Bay Packers -- Waived Johnny Walker (wide receiver). Signed Bobby Lilljedahl (punter).
* Los Angeles Raiders -- Signed Scott Davis (defensive end).
* Miami Dolphins -- Signed Shawn Lee (nose tackle) to a one-year contract.
* New Orleans Saints -- Traded Brett Perriman (wide receiver) to the Detroit Lions for an undisclosed draft choice in 1992.
HOCKEY (NHL) * Hartford Whalers -- Signed Kay Whitmore (goaltender) and Blair Atcheynum (right wing).