BLUE JAYS -- Released P Tomo Ohka.
DODGERS -- Placed P Jason Schmidt on 15-day DL. Activated IF-OF Marlon Anderson from 15-day DL.
GIANTS -- Placed IF Rich Aurilia on 15-day DL, retroactive to Sunday.
MARLINS -- Activated P Josh Johnson from DL.
NATIONALS -- Optioned P Mike O'Connor (Mount St. Joseph) to Double-A Harrisburg. Transferred P Ryan Wagner from 15-day DL to 60-day DL.
ORIOLES -- Fired manager Sam Perlozzo. Named Dave Trembley interim manager.
RED SOX -- Released P J.C. Romero.
YANKEES -- Signed P Kai Liu and C Zhenwang Zhang.
GRIZZLIES -- Named Chris Wallace GM and VP of basketball operations.
DOLPHINS -- Terminated contract of DT Dan Wilkinson.
TITANS -- Agreed to one-year contract with RB Chris Brown.
SENATORS -- Announced firing of GM John Muckler. Named Bryan Murray GM.