ATHLETICS -- Placed P Esteban Loaiza, 1B Dan Johnson and OF Mark Kotsay on 15-day DL. Optioned P Brad Halsey to Triple-A Sacramento. Designated IF Antonio Perez for assignment. Purchased contracts of 2B Todd Walker and OF Travis Buck from Sacramento. Assigned IF Lou Merloni to minor league camp.
BREWERS -- Optioned P Jose Capellan and IF Vinny Rottino to Triple-A Nashville. Assigned P Stephen Bray, P Chris Spurling and IF Ozzie Chavez to Nashville. Assigned P Joe Thatcher to Double-A Huntsville.
CUBS -- Placed P Kerry Wood and P Juan Mateo on 15-day DL. Optioned OF Buck Coats to Triple-A Iowa.
GIANTS -- Traded OF Jason Ellison to Mariners for P Travis Blackley. Placed 1B Mark Sweeney on 15-day DL, retroactive to March 29.
INDIANS -- Placed P Matt Miller, P Cliff Lee, IF Joe Inglett and OF Franklin Gutierrez on 15-day DL. Assigned C Mike Rose to minor league camp.
MARLINS -- Placed OF Jeremy Hermida and P Taylor Tankersley on 15-day DL, retroactive to March 23. Purchased contracts of IF Jason Wood, OF Alejandro De Aza and P Lee Gardner.
ORIOLES -- Placed OF Jay Payton on 15-day DL, retroactive to March 27. Placed P Sendy Rleal on 15-day DL, retroactive to March 23. Sent outright P Todd Williams to Triple-A Norfolk. Assigned OF Jason Dubois to Norfolk.
PADRES -- Agreed with 1B Adrian Gonzalez on four-year contract extension with club option for 2011.
ROCKIES -- Placed P Brian Lawrence and P Tom Martin on 15-day DL.
WHITE SOX -- Agreed to terms with P Matt Thornton on three-year contract extension with club options for 2010 and 2011. Agreed to terms with IF Pablo Ozuna on one-year contract extension through 2008 with club option for 2009. Purchased contracts of P John Danks and C Gustavo Molina from Triple-A Charlotte. Placed C Toby Hall on 15-day DL, retroactive to March 26.
DEVIL RAYS -- Signed 1B Carlos Pena. Purchased contracts of former Orioles P Al Reyes and P Gary Glover from Triple-A Durham.
SOUTHERN ILLINOIS -- Agreed to terms with men's basketball coach Chris Lowery on seven-year contract extension.