DETROIT TIGERSPlaced LHP Dontrelle Willis on the 15-day DL. Recalled OF Ryan Raburn from Toledo (IL).
TAMPA BAY RAYSTransferred RHP Chad Orvella from the 15- to the 60-day DL.
TEXAS RANGERSPlaced LHP Eddie Guardado on the 15-day DL, retroactive to April 5. Activated RHP Luis Mendoza from the 15-day DL. Recalled RHP Scott Feldman from Frisco (TL). Optioned RHP Kazuo Fukumori to Oklahoma (PCL).
ATLANTA BRAVESReleased INF Scott Spiezio from his minor league contract.
HOUSTON ASTROSPurchased the contract of INF David Newhan from Round Rock (PCL).
PHILADELPHIA PHILLIESPlaced OF Shane Victorino on the 15-day DL. Recalled OF Chris Snelling from Lehigh Valley (IL).
ST. LOUIS CARDINALSActivated RHP Joel Piniero from the 15-day DL. Optioned RHP Kelvin Jimenez to Memphis (PCL).
SAN FRANCISCO GIANTSRecalled OF John Bowker from Fresno (PCL). Optioned OF Clay Timpner to Fresno.
WASHINGTON NATIONALSOptioned RHP Jason Bergmann and C Jesus Flores to Columbus (IL). Activated RHP Chad Cordero and OF Wily Mo Pena from the 15-day DL.
SEATTLE SUPERSONICSSigned F Ronald Dupree for remainder of the season.
National Hockey League
DETROIT RED WINGSRecalled G Jimmy Howard, D Jonathan Ericsson, D Jakub Kindl, D Kyle Quincey, F Cory Emmerton, F Darren Helm and F Mattias Ritola from Grand Rapids (AHL).
EDMONTON OILERSSigned F Robert Nilsson to a three-year contract
OTTAWA SENATORSRecalled C Alexander Nikulin from Binghamton (AHL).
PHOENIX COYOTESSigned F Chad Kolarik.
UTAH GRIZZLIESAnnounced D Jeff Dwyer and F Tyler Haskins have returned from Bridgeport (AHL).
COLORADODismissed junior LB Jake Duren from the football team following his arrest.
LOUISIANA TECHNamed Teresa Weatherspoon women's associate basketball coach.