Orioles -- Traded OF Andy Van Slyke to the Philadelphia Phillies for P Gene Harris.
Cincinnati Reds -- Placed 1B Hal Morris on the 15-day DL. Purchased the contract of IF Craig Worthington from Triple-A Indianapolis.
Cleveland Indians -- Purchased the contract of former Orioles P Gregg Olson from Triple-A Buffalo. Designated P Dennis Cook for assignment.
Colorado Rockies -- Activated P Armando Reynoso from the 15-day DL. Outrighted P Omar Olivares to Triple-A Colorado Springs.
Philadelphia Phillies -- Placed OF Gregg Jefferies on the 15-day DL. Called up P Ryan Karp from Double-A Reading.
Texas Rangers -- Activated IF Jeff Frye from the 15-day DL. Optioned IF-OF Shawn Hare to Triple-A