CARDINALS -- Placed P Tyler Johnson on 15-day DL, retroactive to Tuesday.
CUBS -- Optioned P Sean Gallagher to Triple-A Iowa. Activated IF Aramis Ramirez from 15-day DL.
DEVIL RAYS -- Purchased contract of OF Dustan Mohr from Triple-A Durham. Optioned OF Elijah Dukes to Durham and placed him on temporary inactive list. Transferred OF Rocco Baldelli to 60-day DL.
MARINERS -- Placed P Cha Seung Baek on 15-day DL, retroactive to Sunday. Recalled P Ryan Rowland-Smith from Triple-A Tacoma.
ORIOLES -- Placed SS Miguel Tejada on 15-day Dl. Recalled OF Jon Knott from Triple-A Norfolk. Activated C Ramon Hernandez from 15-day DL. Designated C Alberto...