Baltimore Orioles -- Activated P Dave Johnson from DL. Optioned IF Shane Turner (0-for-1 in 3 games) to Class AAA Rochester.
California Angels -- Signed 1B-OF Mike Marshall to a minor-league contract and assigned him to Class A Palm Springs. Promoted P Feranando Valenzuela from Class AA Midland to Class AAA Edmonton.
Pittsburgh Pirates -- Announced the resignation of president Carl Barger, effective Aug. 2, so he can accept a similar position with the Florida Marlins.
Phoenix Cardinals -- Agreed to terms with LB Freddie Joe Nunn and CB Aeneas Williams.
San Francisco 49ers -- Signed DL John Shannon. Waived WR Sam Archer.
Stony Brook -- Announced resignation of men's basketball coach Joe Castiglie.