Baseball Astros: Purchased the contract of IF Charlie...

Baseball

Astros: Purchased the contract of IF Charlie Hayes from Triple-A New Orleans. Optioned IF Keith Ginter to New Orleans. Assigned OF Orlando Merced to New Orleans.

Braves: Purchased the contracts of P Joe Slusarski, P Marc Valdes and SS Kurt Abbott. Reassigned P Chris Cumberland, P Matt Whiteside, C Dax Norris, C Jesse Levis and IF Chan Perry to their minor-league camp. Optioned SS Mark DeRosa and IF Jesse Garcia to Triple-A Richmond, and IF Travis Wilson to Double-A Greenville.

Devil Rays: Optioned 2B Brent Abernathy, IF Aubrey Huff, P Travis Phelps, OF Jason Tyner and P Dan Wheeler to Triple-A Durham. Reassigned C Pat Borders and P Rusty Meacham to their minor-league camp. Placed P Wilson Alvarez and P Juan Guzman on the 15-day DL, retroactive to March 23. Released SS Ozzie Guillen.

Giants: Purchased the contract of C Benito Santiago from Triple-A Fresno. Optioned P Jamie Arnold, P Chad Zerbe and C-IF Edward Guzman to Fresno.

Indians: Optioned P David Riske to Triple-A Buffalo. Assigned P Roy Smith to minor-league camp. Purchased the contract of OF Marty Cordova from Double-A Akron and added him to the 40-man roster. Placed P Jaret Wright, P Charles Nagy, 3B Travis Fryman and OF Dave Roberts on the 15-day DL. Placed P Cameron Cairncross on the 60-day DL.

Marlins: Placed P A.J. Burnett and IF Pablo Ozuna on the 15-day DL, retroactive to March 23, and P Chuck Smith on the 15-day DL, retroactive to March 25. Recalled OF Jeff Abbott from Triple-A Calgary and placed him on the 15-day DL, retroactive to March 29. Purchased the contract of former Orioles OF Lyle Mouton.

Mets: Purchased the contract of C Jason Phillips from Triple-A and optioned him back to Norfolk.

Phillies: Assigned IF David Newhan and OF Jason Michaels to their minor-league camp. Placed P Cliff Politte on the 60-day DL. Placed OF Rob Ducey on the 15-day DL. Recalled Newhan from their minor-league camp.

Pirates: Placed IF Mike Benjamin on the 15-day DL. Recalled IF Abraham Nunez from Triple-A Nashville.

Royals: Traded IF Ricardo Montas to the Diamondbacks for C Melvin Rosario.

Twins: Signed P Hector Carrasco to a minor-league contract. Optioned P Jack Cressend to Triple-A Edmonton. Reassigned P Jamie Brewington, IF Edwin Diaz, C Jeff Smith and OF Bobby Kielty to their minor-league camp. Transferred IF Jay Canizaro from the 15-day to the 60-day disabled list. Designated IF Hanley Frias for assignment. Purchased the contracts of C Tom Prince, OF Chad Allen, IF Jason Maxwell and Carrasco.

Yankees: Placed SS Derek Jeter on the 15-day DL, retroactive to March 22. Placed OF Henry Rodriguez, OF Shane Spencer and P Ramiro Mendoza on the 15-day DL, and P Darrell Einertson on the 60-day DL.

Basketball

Pistons: Reassigned Brendan Suhr from director of player personnel to special consultant to the basketball operations department.

Hockey

Thrashers: Activated G Damian Rhodes from injured reserve. Assigned G Norm Maracle to IHL Orlando.